12686180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{827}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 29211840

約数和(自身を除く): 16525660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 590, 767, 827, 1180, 1534, 1654, 3068, 3308, 3835, 4135, 7670, 8270, 10751, 15340, 16540, 21502, 43004, 48793, 53755, 97586, 107510, 195172, 215020, 243965, 487930, 634309, 975860, 1268618, 2537236, 3171545, 6343090, 12686180]

約数ペア:

[(1, 12686180), (2, 6343090), (4, 3171545), (5, 2537236), (10, 1268618), (13, 975860), (20, 634309), (26, 487930), (52, 243965), (59, 215020), (65, 195172), (118, 107510), (130, 97586), (236, 53755), (260, 48793), (295, 43004), (590, 21502), (767, 16540), (827, 15340), (1180, 10751), (1534, 8270), (1654, 7670), (3068, 4135), (3308, 3835)]