55278280

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^2\times {\mathrm{397}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 126838620

約数和(自身を除く): 71560340

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 397, 472, 590, 794, 1180, 1588, 1985, 2360, 3176, 3481, 3970, 6962, 7940, 13924, 15880, 17405, 23423, 27848, 34810, 46846, 69620, 93692, 117115, 139240, 187384, 234230, 468460, 936920, 1381957, 2763914, 5527828, 6909785, 11055656, 13819570, 27639140, 55278280]

約数ペア:

[(1, 55278280), (2, 27639140), (4, 13819570), (5, 11055656), (8, 6909785), (10, 5527828), (20, 2763914), (40, 1381957), (59, 936920), (118, 468460), (236, 234230), (295, 187384), (397, 139240), (472, 117115), (590, 93692), (794, 69620), (1180, 46846), (1588, 34810), (1985, 27848), (2360, 23423), (3176, 17405), (3481, 15880), (3970, 13924), (6962, 7940)]