74995960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{144223}}^1$

素因数の和:144247

約数の個数: 32

約数和(自身を含む): 181722240

約数和(自身を除く): 106726280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 144223, 288446, 576892, 721115, 1153784, 1442230, 1874899, 2884460, 3749798, 5768920, 7499596, 9374495, 14999192, 18748990, 37497980, 74995960]

約数ペア:

[(1, 74995960), (2, 37497980), (4, 18748990), (5, 14999192), (8, 9374495), (10, 7499596), (13, 5768920), (20, 3749798), (26, 2884460), (40, 1874899), (52, 1442230), (65, 1153784), (104, 721115), (130, 576892), (260, 288446), (520, 144223)]