105909140

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{13613}}^1$

素因数の和:14011

約数の個数: 24

約数和(自身を含む): 222997320

約数和(自身を除く): 117088180

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 13613, 27226, 54452, 68065, 136130, 272260, 5295457, 10590914, 21181828, 26477285, 52954570, 105909140]

約数ペア:

[(1, 105909140), (2, 52954570), (4, 26477285), (5, 21181828), (10, 10590914), (20, 5295457), (389, 272260), (778, 136130), (1556, 68065), (1945, 54452), (3890, 27226), (7780, 13613)]