4289201920

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1637}}^1$

素因数の和:1770

約数の個数: 144

約数和(自身を含む): 10847753280

約数和(自身を除く): 6558551360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 89, 92, 115, 128, 160, 178, 184, 230, 256, 320, 356, 368, 445, 460, 640, 712, 736, 890, 920, 1280, 1424, 1472, 1637, 1780, 1840, 2047, 2848, 2944, 3274, 3560, 3680, 4094, 5696, 5888, 6548, 7120, 7360, 8185, 8188, 10235, 11392, 13096, 14240, 14720, 16370, 16376, 20470, 22784, 26192, 28480, 29440, 32740, 32752, 37651, 40940, 52384, 56960, 65480, 65504, 75302, 81880, 104768, 113920, 130960, 131008, 145693, 150604, 163760, 188255, 209536, 261920, 262016, 291386, 301208, 327520, 376510, 419072, 523840, 524032, 582772, 602416, 655040, 728465, 753020, 1047680, 1165544, 1204832, 1310080, 1456930, 1506040, 2095360, 2331088, 2409664, 2620160, 2913860, 3012080, 3350939, 4662176, 4819328, 5827720, 6024160, 6701878, 9324352, 9638656, 11655440, 12048320, 13403756, 16754695, 18648704, 23310880, 24096640, 26807512, 33509390, 37297408, 46621760, 48193280, 53615024, 67018780, 93243520, 107230048, 134037560, 186487040, 214460096, 268075120, 428920192, 536150240, 857840384, 1072300480, 2144600960, 4289201920]

約数ペア:

[(1, 4289201920), (2, 2144600960), (4, 1072300480), (5, 857840384), (8, 536150240), (10, 428920192), (16, 268075120), (20, 214460096), (23, 186487040), (32, 134037560), (40, 107230048), (46, 93243520), (64, 67018780), (80, 53615024), (89, 48193280), (92, 46621760), (115, 37297408), (128, 33509390), (160, 26807512), (178, 24096640), (184, 23310880), (230, 18648704), (256, 16754695), (320, 13403756), (356, 12048320), (368, 11655440), (445, 9638656), (460, 9324352), (640, 6701878), (712, 6024160), (736, 5827720), (890, 4819328), (920, 4662176), (1280, 3350939), (1424, 3012080), (1472, 2913860), (1637, 2620160), (1780, 2409664), (1840, 2331088), (2047, 2095360), (2848, 1506040), (2944, 1456930), (3274, 1310080), (3560, 1204832), (3680, 1165544), (4094, 1047680), (5696, 753020), (5888, 728465), (6548, 655040), (7120, 602416), (7360, 582772), (8185, 524032), (8188, 523840), (10235, 419072), (11392, 376510), (13096, 327520), (14240, 301208), (14720, 291386), (16370, 262016), (16376, 261920), (20470, 209536), (22784, 188255), (26192, 163760), (28480, 150604), (29440, 145693), (32740, 131008), (32752, 130960), (37651, 113920), (40940, 104768), (52384, 81880), (56960, 75302), (65480, 65504)]