87585940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{25913}}^1$

素因数の和:25948

約数の個数: 36

約数和(自身を含む): 199175004

約数和(自身を除く): 111589064

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 25913, 51826, 103652, 129565, 259130, 336869, 518260, 673738, 1347476, 1684345, 3368690, 4379297, 6737380, 8758594, 17517188, 21896485, 43792970, 87585940]

約数ペア:

[(1, 87585940), (2, 43792970), (4, 21896485), (5, 17517188), (10, 8758594), (13, 6737380), (20, 4379297), (26, 3368690), (52, 1684345), (65, 1347476), (130, 673738), (169, 518260), (260, 336869), (338, 259130), (676, 129565), (845, 103652), (1690, 51826), (3380, 25913)]