72895940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1549}}^1$

素因数の和:1752

約数の個数: 48

約数和(自身を含む): 165874800

約数和(自身を除く): 92978860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 181, 260, 362, 724, 905, 1549, 1810, 2353, 3098, 3620, 4706, 6196, 7745, 9412, 11765, 15490, 20137, 23530, 30980, 40274, 47060, 80548, 100685, 201370, 280369, 402740, 560738, 1121476, 1401845, 2803690, 3644797, 5607380, 7289594, 14579188, 18223985, 36447970, 72895940]

約数ペア:

[(1, 72895940), (2, 36447970), (4, 18223985), (5, 14579188), (10, 7289594), (13, 5607380), (20, 3644797), (26, 2803690), (52, 1401845), (65, 1121476), (130, 560738), (181, 402740), (260, 280369), (362, 201370), (724, 100685), (905, 80548), (1549, 47060), (1810, 40274), (2353, 30980), (3098, 23530), (3620, 20137), (4706, 15490), (6196, 11765), (7745, 9412)]