12946960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:296

約数の個数: 80

約数和(自身を含む): 33122880

約数和(自身を除く): 20175920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 59, 65, 80, 104, 118, 130, 208, 211, 236, 260, 295, 422, 472, 520, 590, 767, 844, 944, 1040, 1055, 1180, 1534, 1688, 2110, 2360, 2743, 3068, 3376, 3835, 4220, 4720, 5486, 6136, 7670, 8440, 10972, 12272, 12449, 13715, 15340, 16880, 21944, 24898, 27430, 30680, 43888, 49796, 54860, 61360, 62245, 99592, 109720, 124490, 161837, 199184, 219440, 248980, 323674, 497960, 647348, 809185, 995920, 1294696, 1618370, 2589392, 3236740, 6473480, 12946960]

約数ペア:

[(1, 12946960), (2, 6473480), (4, 3236740), (5, 2589392), (8, 1618370), (10, 1294696), (13, 995920), (16, 809185), (20, 647348), (26, 497960), (40, 323674), (52, 248980), (59, 219440), (65, 199184), (80, 161837), (104, 124490), (118, 109720), (130, 99592), (208, 62245), (211, 61360), (236, 54860), (260, 49796), (295, 43888), (422, 30680), (472, 27430), (520, 24898), (590, 21944), (767, 16880), (844, 15340), (944, 13715), (1040, 12449), (1055, 12272), (1180, 10972), (1534, 8440), (1688, 7670), (2110, 6136), (2360, 5486), (2743, 4720), (3068, 4220), (3376, 3835)]