75640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:103

約数の個数: 32

約数和(自身を含む): 178560

約数和(自身を除く): 102920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 1220, 1240, 1891, 2440, 3782, 7564, 9455, 15128, 18910, 37820, 75640]

約数ペア:

[(1, 75640), (2, 37820), (4, 18910), (5, 15128), (8, 9455), (10, 7564), (20, 3782), (31, 2440), (40, 1891), (61, 1240), (62, 1220), (122, 620), (124, 610), (155, 488), (244, 310), (248, 305)]