84801680

素因数分解:

$2^4\times 5^1\times {\mathrm{1060021}}^1$

素因数の和:1060034

約数の個数: 20

約数和(自身を含む): 197164092

約数和(自身を除く): 112362412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1060021, 2120042, 4240084, 5300105, 8480168, 10600210, 16960336, 21200420, 42400840, 84801680]

約数ペア:

[(1, 84801680), (2, 42400840), (4, 21200420), (5, 16960336), (8, 10600210), (10, 8480168), (16, 5300105), (20, 4240084), (40, 2120042), (80, 1060021)]