80892400

素因数分解:

$2^4\times 5^2\times {\mathrm{202231}}^1$

素因数の和:202249

約数の個数: 30

約数和(自身を含む): 194344952

約数和(自身を除く): 113452552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 202231, 404462, 808924, 1011155, 1617848, 2022310, 3235696, 4044620, 5055775, 8089240, 10111550, 16178480, 20223100, 40446200, 80892400]

約数ペア:

[(1, 80892400), (2, 40446200), (4, 20223100), (5, 16178480), (8, 10111550), (10, 8089240), (16, 5055775), (20, 4044620), (25, 3235696), (40, 2022310), (50, 1617848), (80, 1011155), (100, 808924), (200, 404462), (400, 202231)]