42287180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{12511}}^1$

素因数の和:12546

約数の個数: 36

約数和(自身を含む): 96167232

約数和(自身を除く): 53880052

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 12511, 25022, 50044, 62555, 125110, 162643, 250220, 325286, 650572, 813215, 1626430, 2114359, 3252860, 4228718, 8457436, 10571795, 21143590, 42287180]

約数ペア:

[(1, 42287180), (2, 21143590), (4, 10571795), (5, 8457436), (10, 4228718), (13, 3252860), (20, 2114359), (26, 1626430), (52, 813215), (65, 650572), (130, 325286), (169, 250220), (260, 162643), (338, 125110), (676, 62555), (845, 50044), (1690, 25022), (3380, 12511)]