64559360

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1627}}^1$

素因数の和:1679

約数の個数: 72

約数和(自身を含む): 159726336

約数和(自身を除く): 95166976

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, 620, 640, 992, 1240, 1280, 1627, 1984, 2480, 3254, 3968, 4960, 6508, 7936, 8135, 9920, 13016, 16270, 19840, 26032, 32540, 39680, 50437, 52064, 65080, 100874, 104128, 130160, 201748, 208256, 252185, 260320, 403496, 416512, 504370, 520640, 806992, 1008740, 1041280, 1613984, 2017480, 2082560, 3227968, 4034960, 6455936, 8069920, 12911872, 16139840, 32279680, 64559360]

約数ペア:

[(1, 64559360), (2, 32279680), (4, 16139840), (5, 12911872), (8, 8069920), (10, 6455936), (16, 4034960), (20, 3227968), (31, 2082560), (32, 2017480), (40, 1613984), (62, 1041280), (64, 1008740), (80, 806992), (124, 520640), (128, 504370), (155, 416512), (160, 403496), (248, 260320), (256, 252185), (310, 208256), (320, 201748), (496, 130160), (620, 104128), (640, 100874), (992, 65080), (1240, 52064), (1280, 50437), (1627, 39680), (1984, 32540), (2480, 26032), (3254, 19840), (3968, 16270), (4960, 13016), (6508, 9920), (7936, 8135)]