31021120

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7457}}^1$

素因数の和:7487

約数の個数: 56

約数和(自身を含む): 79561944

約数和(自身を除く): 48540824

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 7457, 14914, 29828, 37285, 59656, 74570, 96941, 119312, 149140, 193882, 238624, 298280, 387764, 477248, 484705, 596560, 775528, 969410, 1193120, 1551056, 1938820, 2386240, 3102112, 3877640, 6204224, 7755280, 15510560, 31021120]

約数ペア:

[(1, 31021120), (2, 15510560), (4, 7755280), (5, 6204224), (8, 3877640), (10, 3102112), (13, 2386240), (16, 1938820), (20, 1551056), (26, 1193120), (32, 969410), (40, 775528), (52, 596560), (64, 484705), (65, 477248), (80, 387764), (104, 298280), (130, 238624), (160, 193882), (208, 149140), (260, 119312), (320, 96941), (416, 74570), (520, 59656), (832, 37285), (1040, 29828), (2080, 14914), (4160, 7457)]