56396440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45481}}^1$

素因数の和:45523

約数の個数: 32

約数和(自身を含む): 130988160

約数和(自身を除く): 74591720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 45481, 90962, 181924, 227405, 363848, 454810, 909620, 1409911, 1819240, 2819822, 5639644, 7049555, 11279288, 14099110, 28198220, 56396440]

約数ペア:

[(1, 56396440), (2, 28198220), (4, 14099110), (5, 11279288), (8, 7049555), (10, 5639644), (20, 2819822), (31, 1819240), (40, 1409911), (62, 909620), (124, 454810), (155, 363848), (248, 227405), (310, 181924), (620, 90962), (1240, 45481)]