64139540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{60509}}^1$

素因数の和:60571

約数の個数: 24

約数和(自身を含む): 137236680

約数和(自身を除く): 73097140

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 60509, 121018, 242036, 302545, 605090, 1210180, 3206977, 6413954, 12827908, 16034885, 32069770, 64139540]

約数ペア:

[(1, 64139540), (2, 32069770), (4, 16034885), (5, 12827908), (10, 6413954), (20, 3206977), (53, 1210180), (106, 605090), (212, 302545), (265, 242036), (530, 121018), (1060, 60509)]