1985904100

素因数分解:

$2^2\times 5^2\times {\mathrm{19859041}}^1$

素因数の和:19859055

約数の個数: 18

約数和(自身を含む): 4309412114

約数和(自身を除く): 2323508014

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 19859041, 39718082, 79436164, 99295205, 198590410, 397180820, 496476025, 992952050, 1985904100]

約数ペア:

[(1, 1985904100), (2, 992952050), (4, 496476025), (5, 397180820), (10, 198590410), (20, 99295205), (25, 79436164), (50, 39718082), (100, 19859041)]