13901420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 31761408

約数和(自身を除く): 17859988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 421, 508, 635, 842, 1270, 1651, 1684, 2105, 2540, 3302, 4210, 5473, 6604, 8255, 8420, 10946, 16510, 21892, 27365, 33020, 53467, 54730, 106934, 109460, 213868, 267335, 534670, 695071, 1069340, 1390142, 2780284, 3475355, 6950710, 13901420]

約数ペア:

[(1, 13901420), (2, 6950710), (4, 3475355), (5, 2780284), (10, 1390142), (13, 1069340), (20, 695071), (26, 534670), (52, 267335), (65, 213868), (127, 109460), (130, 106934), (254, 54730), (260, 53467), (421, 33020), (508, 27365), (635, 21892), (842, 16510), (1270, 10946), (1651, 8420), (1684, 8255), (2105, 6604), (2540, 5473), (3302, 4210)]