15894140

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2539}}^1$

素因数の和:2861

約数の個数: 24

約数和(自身を含む): 33497520

約数和(自身を除く): 17603380

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 2539, 3130, 5078, 6260, 10156, 12695, 25390, 50780, 794707, 1589414, 3178828, 3973535, 7947070, 15894140]

約数ペア:

[(1, 15894140), (2, 7947070), (4, 3973535), (5, 3178828), (10, 1589414), (20, 794707), (313, 50780), (626, 25390), (1252, 12695), (1565, 10156), (2539, 6260), (3130, 5078)]