15625780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{929}}^1$

素因数の和:996

約数の個数: 36

約数和(自身を含む): 34021260

約数和(自身を除く): 18395480

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 841, 929, 1682, 1858, 3364, 3716, 4205, 4645, 8410, 9290, 16820, 18580, 26941, 53882, 107764, 134705, 269410, 538820, 781289, 1562578, 3125156, 3906445, 7812890, 15625780]

約数ペア:

[(1, 15625780), (2, 7812890), (4, 3906445), (5, 3125156), (10, 1562578), (20, 781289), (29, 538820), (58, 269410), (116, 134705), (145, 107764), (290, 53882), (580, 26941), (841, 18580), (929, 16820), (1682, 9290), (1858, 8410), (3364, 4645), (3716, 4205)]