27802840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 68060160

約数和(自身を除く): 40257320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 127, 130, 254, 260, 421, 508, 520, 635, 842, 1016, 1270, 1651, 1684, 2105, 2540, 3302, 3368, 4210, 5080, 5473, 6604, 8255, 8420, 10946, 13208, 16510, 16840, 21892, 27365, 33020, 43784, 53467, 54730, 66040, 106934, 109460, 213868, 218920, 267335, 427736, 534670, 695071, 1069340, 1390142, 2138680, 2780284, 3475355, 5560568, 6950710, 13901420, 27802840]

約数ペア:

[(1, 27802840), (2, 13901420), (4, 6950710), (5, 5560568), (8, 3475355), (10, 2780284), (13, 2138680), (20, 1390142), (26, 1069340), (40, 695071), (52, 534670), (65, 427736), (104, 267335), (127, 218920), (130, 213868), (254, 109460), (260, 106934), (421, 66040), (508, 54730), (520, 53467), (635, 43784), (842, 33020), (1016, 27365), (1270, 21892), (1651, 16840), (1684, 16510), (2105, 13208), (2540, 10946), (3302, 8420), (3368, 8255), (4210, 6604), (5080, 5473)]