12916280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 31903200

約数和(自身を除く): 18986920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 59, 65, 104, 118, 130, 236, 260, 295, 421, 472, 520, 590, 767, 842, 1180, 1534, 1684, 2105, 2360, 3068, 3368, 3835, 4210, 5473, 6136, 7670, 8420, 10946, 15340, 16840, 21892, 24839, 27365, 30680, 43784, 49678, 54730, 99356, 109460, 124195, 198712, 218920, 248390, 322907, 496780, 645814, 993560, 1291628, 1614535, 2583256, 3229070, 6458140, 12916280]

約数ペア:

[(1, 12916280), (2, 6458140), (4, 3229070), (5, 2583256), (8, 1614535), (10, 1291628), (13, 993560), (20, 645814), (26, 496780), (40, 322907), (52, 248390), (59, 218920), (65, 198712), (104, 124195), (118, 109460), (130, 99356), (236, 54730), (260, 49678), (295, 43784), (421, 30680), (472, 27365), (520, 24839), (590, 21892), (767, 16840), (842, 15340), (1180, 10946), (1534, 8420), (1684, 7670), (2105, 6136), (2360, 5473), (3068, 4210), (3368, 3835)]