65670160

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{13457}}^1$

素因数の和:13531

約数の個数: 40

約数和(自身を含む): 155197656

約数和(自身を除く): 89527496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 13457, 26914, 53828, 67285, 107656, 134570, 215312, 269140, 538280, 820877, 1076560, 1641754, 3283508, 4104385, 6567016, 8208770, 13134032, 16417540, 32835080, 65670160]

約数ペア:

[(1, 65670160), (2, 32835080), (4, 16417540), (5, 13134032), (8, 8208770), (10, 6567016), (16, 4104385), (20, 3283508), (40, 1641754), (61, 1076560), (80, 820877), (122, 538280), (244, 269140), (305, 215312), (488, 134570), (610, 107656), (976, 67285), (1220, 53828), (2440, 26914), (4880, 13457)]