808213240

素因数分解:

$2^3\times 5^1\times {\mathrm{20205331}}^1$

素因数の和:20205342

約数の個数: 16

約数和(自身を含む): 1818479880

約数和(自身を除く): 1010266640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 20205331, 40410662, 80821324, 101026655, 161642648, 202053310, 404106620, 808213240]

約数ペア:

[(1, 808213240), (2, 404106620), (4, 202053310), (5, 161642648), (8, 101026655), (10, 80821324), (20, 40410662), (40, 20205331)]