4027250

素因数分解:

$2^1\times 5^3\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 7665840

約数和(自身を除く): 3638590

約数列:

[1, 2, 5, 10, 25, 50, 89, 125, 178, 181, 250, 362, 445, 890, 905, 1810, 2225, 4450, 4525, 9050, 11125, 16109, 22250, 22625, 32218, 45250, 80545, 161090, 402725, 805450, 2013625, 4027250]

約数ペア:

[(1, 4027250), (2, 2013625), (5, 805450), (10, 402725), (25, 161090), (50, 80545), (89, 45250), (125, 32218), (178, 22625), (181, 22250), (250, 16109), (362, 11125), (445, 9050), (890, 4525), (905, 4450), (1810, 2225)]