51632620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2797}}^1$

素因数の和:2890

約数の個数: 48

約数和(自身を含む): 118456128

約数和(自身を除く): 66823508

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 2797, 3692, 4615, 5594, 9230, 11188, 13985, 18460, 27970, 36361, 55940, 72722, 145444, 181805, 198587, 363610, 397174, 727220, 794348, 992935, 1985870, 2581631, 3971740, 5163262, 10326524, 12908155, 25816310, 51632620]

約数ペア:

[(1, 51632620), (2, 25816310), (4, 12908155), (5, 10326524), (10, 5163262), (13, 3971740), (20, 2581631), (26, 1985870), (52, 992935), (65, 794348), (71, 727220), (130, 397174), (142, 363610), (260, 198587), (284, 181805), (355, 145444), (710, 72722), (923, 55940), (1420, 36361), (1846, 27970), (2797, 18460), (3692, 13985), (4615, 11188), (5594, 9230)]