56775940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1571}}^1$

素因数の和:1732

約数の個数: 48

約数和(自身を含む): 129407040

約数和(自身を除く): 72631100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1571, 1807, 2780, 3142, 3614, 6284, 7228, 7855, 9035, 15710, 18070, 20423, 31420, 36140, 40846, 81692, 102115, 204230, 218369, 408460, 436738, 873476, 1091845, 2183690, 2838797, 4367380, 5677594, 11355188, 14193985, 28387970, 56775940]

約数ペア:

[(1, 56775940), (2, 28387970), (4, 14193985), (5, 11355188), (10, 5677594), (13, 4367380), (20, 2838797), (26, 2183690), (52, 1091845), (65, 873476), (130, 436738), (139, 408460), (260, 218369), (278, 204230), (556, 102115), (695, 81692), (1390, 40846), (1571, 36140), (1807, 31420), (2780, 20423), (3142, 18070), (3614, 15710), (6284, 9035), (7228, 7855)]