811895960

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{179623}}^1$

素因数の和:179747

約数の個数: 32

約数和(自身を含む): 1842942240

約数和(自身を除く): 1031046280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 179623, 359246, 718492, 898115, 1436984, 1796230, 3592460, 7184920, 20297399, 40594798, 81189596, 101486995, 162379192, 202973990, 405947980, 811895960]

約数ペア:

[(1, 811895960), (2, 405947980), (4, 202973990), (5, 162379192), (8, 101486995), (10, 81189596), (20, 40594798), (40, 20297399), (113, 7184920), (226, 3592460), (452, 1796230), (565, 1436984), (904, 898115), (1130, 718492), (2260, 359246), (4520, 179623)]