40901380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{12101}}^1$

素因数の和:12136

約数の個数: 36

約数和(自身を含む): 93015972

約数和(自身を除く): 52114592

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 12101, 24202, 48404, 60505, 121010, 157313, 242020, 314626, 629252, 786565, 1573130, 2045069, 3146260, 4090138, 8180276, 10225345, 20450690, 40901380]

約数ペア:

[(1, 40901380), (2, 20450690), (4, 10225345), (5, 8180276), (10, 4090138), (13, 3146260), (20, 2045069), (26, 1573130), (52, 786565), (65, 629252), (130, 314626), (169, 242020), (260, 157313), (338, 121010), (676, 60505), (845, 48404), (1690, 24202), (3380, 12101)]