220131280

素因数分解:

$2^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{8963}}^1$

素因数の和:9283

約数の個数: 40

約数和(自身を含む): 513529632

約数和(自身を除く): 293398352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 614, 1228, 1535, 2456, 3070, 4912, 6140, 8963, 12280, 17926, 24560, 35852, 44815, 71704, 89630, 143408, 179260, 358520, 717040, 2751641, 5503282, 11006564, 13758205, 22013128, 27516410, 44026256, 55032820, 110065640, 220131280]

約数ペア:

[(1, 220131280), (2, 110065640), (4, 55032820), (5, 44026256), (8, 27516410), (10, 22013128), (16, 13758205), (20, 11006564), (40, 5503282), (80, 2751641), (307, 717040), (614, 358520), (1228, 179260), (1535, 143408), (2456, 89630), (3070, 71704), (4912, 44815), (6140, 35852), (8963, 24560), (12280, 17926)]