113638520

素因数分解:

$2^3\times 5^1\times {\mathrm{709}}^1\times {\mathrm{4007}}^1$

素因数の和:4727

約数の個数: 32

約数和(自身を含む): 256111200

約数和(自身を除く): 142472680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 709, 1418, 2836, 3545, 4007, 5672, 7090, 8014, 14180, 16028, 20035, 28360, 32056, 40070, 80140, 160280, 2840963, 5681926, 11363852, 14204815, 22727704, 28409630, 56819260, 113638520]

約数ペア:

[(1, 113638520), (2, 56819260), (4, 28409630), (5, 22727704), (8, 14204815), (10, 11363852), (20, 5681926), (40, 2840963), (709, 160280), (1418, 80140), (2836, 40070), (3545, 32056), (4007, 28360), (5672, 20035), (7090, 16028), (8014, 14180)]