13403140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 30240000

約数和(自身を除く): 16836860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 499, 790, 998, 1343, 1580, 1996, 2495, 2686, 4990, 5372, 6715, 8483, 9980, 13430, 16966, 26860, 33932, 39421, 42415, 78842, 84830, 157684, 169660, 197105, 394210, 670157, 788420, 1340314, 2680628, 3350785, 6701570, 13403140]

約数ペア:

[(1, 13403140), (2, 6701570), (4, 3350785), (5, 2680628), (10, 1340314), (17, 788420), (20, 670157), (34, 394210), (68, 197105), (79, 169660), (85, 157684), (158, 84830), (170, 78842), (316, 42415), (340, 39421), (395, 33932), (499, 26860), (790, 16966), (998, 13430), (1343, 9980), (1580, 8483), (1996, 6715), (2495, 5372), (2686, 4990)]