129528460

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{64123}}^1$

素因数の和:64233

約数の個数: 24

約数和(自身を含む): 274707216

約数和(自身を除く): 145178756

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 64123, 128246, 256492, 320615, 641230, 1282460, 6476423, 12952846, 25905692, 32382115, 64764230, 129528460]

約数ペア:

[(1, 129528460), (2, 64764230), (4, 32382115), (5, 25905692), (10, 12952846), (20, 6476423), (101, 1282460), (202, 641230), (404, 320615), (505, 256492), (1010, 128246), (2020, 64123)]