815920880

素因数分解:

$2^4\times 5^1\times {\mathrm{1151}}^1\times {\mathrm{8861}}^1$

素因数の和:10025

約数の個数: 40

約数和(自身を含む): 1898878464

約数和(自身を除く): 1082957584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1151, 2302, 4604, 5755, 8861, 9208, 11510, 17722, 18416, 23020, 35444, 44305, 46040, 70888, 88610, 92080, 141776, 177220, 354440, 708880, 10199011, 20398022, 40796044, 50995055, 81592088, 101990110, 163184176, 203980220, 407960440, 815920880]

約数ペア:

[(1, 815920880), (2, 407960440), (4, 203980220), (5, 163184176), (8, 101990110), (10, 81592088), (16, 50995055), (20, 40796044), (40, 20398022), (80, 10199011), (1151, 708880), (2302, 354440), (4604, 177220), (5755, 141776), (8861, 92080), (9208, 88610), (11510, 70888), (17722, 46040), (18416, 44305), (23020, 35444)]