66995080

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{27457}}^1$

素因数の和:27529

約数の個数: 32

約数和(自身を含む): 153215640

約数和(自身を除く): 86220560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 27457, 54914, 109828, 137285, 219656, 274570, 549140, 1098280, 1674877, 3349754, 6699508, 8374385, 13399016, 16748770, 33497540, 66995080]

約数ペア:

[(1, 66995080), (2, 33497540), (4, 16748770), (5, 13399016), (8, 8374385), (10, 6699508), (20, 3349754), (40, 1674877), (61, 1098280), (122, 549140), (244, 274570), (305, 219656), (488, 137285), (610, 109828), (1220, 54914), (2440, 27457)]