28252160

素因数分解:

$2^{11}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:147

約数の個数: 96

約数和(自身を含む): 70761600

約数和(自身を除く): 42509440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 89, 124, 128, 155, 160, 178, 248, 256, 310, 320, 356, 445, 496, 512, 620, 640, 712, 890, 992, 1024, 1240, 1280, 1424, 1780, 1984, 2048, 2480, 2560, 2759, 2848, 3560, 3968, 4960, 5120, 5518, 5696, 7120, 7936, 9920, 10240, 11036, 11392, 13795, 14240, 15872, 19840, 22072, 22784, 27590, 28480, 31744, 39680, 44144, 45568, 55180, 56960, 63488, 79360, 88288, 91136, 110360, 113920, 158720, 176576, 182272, 220720, 227840, 317440, 353152, 441440, 455680, 706304, 882880, 911360, 1412608, 1765760, 2825216, 3531520, 5650432, 7063040, 14126080, 28252160]

約数ペア:

[(1, 28252160), (2, 14126080), (4, 7063040), (5, 5650432), (8, 3531520), (10, 2825216), (16, 1765760), (20, 1412608), (31, 911360), (32, 882880), (40, 706304), (62, 455680), (64, 441440), (80, 353152), (89, 317440), (124, 227840), (128, 220720), (155, 182272), (160, 176576), (178, 158720), (248, 113920), (256, 110360), (310, 91136), (320, 88288), (356, 79360), (445, 63488), (496, 56960), (512, 55180), (620, 45568), (640, 44144), (712, 39680), (890, 31744), (992, 28480), (1024, 27590), (1240, 22784), (1280, 22072), (1424, 19840), (1780, 15872), (1984, 14240), (2048, 13795), (2480, 11392), (2560, 11036), (2759, 10240), (2848, 9920), (3560, 7936), (3968, 7120), (4960, 5696), (5120, 5518)]