72249620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{59221}}^1$

素因数の和:59291

約数の個数: 24

約数和(自身を含む): 154214088

約数和(自身を除く): 81964468

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 59221, 118442, 236884, 296105, 592210, 1184420, 3612481, 7224962, 14449924, 18062405, 36124810, 72249620]

約数ペア:

[(1, 72249620), (2, 36124810), (4, 18062405), (5, 14449924), (10, 7224962), (20, 3612481), (61, 1184420), (122, 592210), (244, 296105), (305, 236884), (610, 118442), (1220, 59221)]