87406540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{6343}}^1$

素因数の和:6418

約数の個数: 48

約数和(自身を含む): 201434688

約数和(自身を除く): 114028148

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 6343, 6890, 12686, 13780, 25372, 31715, 63430, 82459, 126860, 164918, 329836, 336179, 412295, 672358, 824590, 1344716, 1649180, 1680895, 3361790, 4370327, 6723580, 8740654, 17481308, 21851635, 43703270, 87406540]

約数ペア:

[(1, 87406540), (2, 43703270), (4, 21851635), (5, 17481308), (10, 8740654), (13, 6723580), (20, 4370327), (26, 3361790), (52, 1680895), (53, 1649180), (65, 1344716), (106, 824590), (130, 672358), (212, 412295), (260, 336179), (265, 329836), (530, 164918), (689, 126860), (1060, 82459), (1378, 63430), (2756, 31715), (3445, 25372), (6343, 13780), (6890, 12686)]