126261980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{2683}}^1$

素因数の和:2886

約数の個数: 48

約数和(自身を含む): 287230944

約数和(自身を除く): 160968964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 181, 260, 362, 724, 905, 1810, 2353, 2683, 3620, 4706, 5366, 9412, 10732, 11765, 13415, 23530, 26830, 34879, 47060, 53660, 69758, 139516, 174395, 348790, 485623, 697580, 971246, 1942492, 2428115, 4856230, 6313099, 9712460, 12626198, 25252396, 31565495, 63130990, 126261980]

約数ペア:

[(1, 126261980), (2, 63130990), (4, 31565495), (5, 25252396), (10, 12626198), (13, 9712460), (20, 6313099), (26, 4856230), (52, 2428115), (65, 1942492), (130, 971246), (181, 697580), (260, 485623), (362, 348790), (724, 174395), (905, 139516), (1810, 69758), (2353, 53660), (2683, 47060), (3620, 34879), (4706, 26830), (5366, 23530), (9412, 13415), (10732, 11765)]