23148920

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1039}}^1$

素因数の和:1607

約数の個数: 32

約数和(自身を含む): 52228800

約数和(自身を除く): 29079880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 1039, 1114, 2078, 2228, 2785, 4156, 4456, 5195, 5570, 8312, 10390, 11140, 20780, 22280, 41560, 578723, 1157446, 2314892, 2893615, 4629784, 5787230, 11574460, 23148920]

約数ペア:

[(1, 23148920), (2, 11574460), (4, 5787230), (5, 4629784), (8, 2893615), (10, 2314892), (20, 1157446), (40, 578723), (557, 41560), (1039, 22280), (1114, 20780), (2078, 11140), (2228, 10390), (2785, 8312), (4156, 5570), (4456, 5195)]