28878140

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{24473}}^1$

素因数の和:24541

約数の個数: 24

約数和(自身を含む): 61674480

約数和(自身を除く): 32796340

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 24473, 48946, 97892, 122365, 244730, 489460, 1443907, 2887814, 5775628, 7219535, 14439070, 28878140]

約数ペア:

[(1, 28878140), (2, 14439070), (4, 7219535), (5, 5775628), (10, 2887814), (20, 1443907), (59, 489460), (118, 244730), (236, 122365), (295, 97892), (590, 48946), (1180, 24473)]