2519203840

素因数分解:

$2^{19}\times 5^1\times {\mathrm{31}}^2$

素因数の和:105

約数の個数: 120

約数和(自身を含む): 6247409850

約数和(自身を除く): 3728206010

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 961, 992, 1024, 1240, 1280, 1922, 1984, 2048, 2480, 2560, 3844, 3968, 4096, 4805, 4960, 5120, 7688, 7936, 8192, 9610, 9920, 10240, 15376, 15872, 16384, 19220, 19840, 20480, 30752, 31744, 32768, 38440, 39680, 40960, 61504, 63488, 65536, 76880, 79360, 81920, 123008, 126976, 131072, 153760, 158720, 163840, 246016, 253952, 262144, 307520, 317440, 327680, 492032, 507904, 524288, 615040, 634880, 655360, 984064, 1015808, 1230080, 1269760, 1310720, 1968128, 2031616, 2460160, 2539520, 2621440, 3936256, 4063232, 4920320, 5079040, 7872512, 8126464, 9840640, 10158080, 15745024, 16252928, 19681280, 20316160, 31490048, 39362560, 40632320, 62980096, 78725120, 81264640, 125960192, 157450240, 251920384, 314900480, 503840768, 629800960, 1259601920, 2519203840]

約数ペア:

[(1, 2519203840), (2, 1259601920), (4, 629800960), (5, 503840768), (8, 314900480), (10, 251920384), (16, 157450240), (20, 125960192), (31, 81264640), (32, 78725120), (40, 62980096), (62, 40632320), (64, 39362560), (80, 31490048), (124, 20316160), (128, 19681280), (155, 16252928), (160, 15745024), (248, 10158080), (256, 9840640), (310, 8126464), (320, 7872512), (496, 5079040), (512, 4920320), (620, 4063232), (640, 3936256), (961, 2621440), (992, 2539520), (1024, 2460160), (1240, 2031616), (1280, 1968128), (1922, 1310720), (1984, 1269760), (2048, 1230080), (2480, 1015808), (2560, 984064), (3844, 655360), (3968, 634880), (4096, 615040), (4805, 524288), (4960, 507904), (5120, 492032), (7688, 327680), (7936, 317440), (8192, 307520), (9610, 262144), (9920, 253952), (10240, 246016), (15376, 163840), (15872, 158720), (16384, 153760), (19220, 131072), (19840, 126976), (20480, 123008), (30752, 81920), (31744, 79360), (32768, 76880), (38440, 65536), (39680, 63488), (40960, 61504)]