155758520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73471}}^1$

素因数の和:73535

約数の個数: 32

約数和(自身を含む): 357073920

約数和(自身を除く): 201315400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 73471, 146942, 293884, 367355, 587768, 734710, 1469420, 2938840, 3893963, 7787926, 15575852, 19469815, 31151704, 38939630, 77879260, 155758520]

約数ペア:

[(1, 155758520), (2, 77879260), (4, 38939630), (5, 31151704), (8, 19469815), (10, 15575852), (20, 7787926), (40, 3893963), (53, 2938840), (106, 1469420), (212, 734710), (265, 587768), (424, 367355), (530, 293884), (1060, 146942), (2120, 73471)]