61838120

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{13681}}^1$

素因数の和:13805

約数の個数: 32

約数和(自身を含む): 140377320

約数和(自身を除く): 78539200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 13681, 27362, 54724, 68405, 109448, 136810, 273620, 547240, 1545953, 3091906, 6183812, 7729765, 12367624, 15459530, 30919060, 61838120]

約数ペア:

[(1, 61838120), (2, 30919060), (4, 15459530), (5, 12367624), (8, 7729765), (10, 6183812), (20, 3091906), (40, 1545953), (113, 547240), (226, 273620), (452, 136810), (565, 109448), (904, 68405), (1130, 54724), (2260, 27362), (4520, 13681)]