79339600

素因数分解:

$2^4\times 5^2\times {\mathrm{198349}}^1$

素因数の和:198367

約数の個数: 30

約数和(自身を含む): 190614350

約数和(自身を除く): 111274750

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 198349, 396698, 793396, 991745, 1586792, 1983490, 3173584, 3966980, 4958725, 7933960, 9917450, 15867920, 19834900, 39669800, 79339600]

約数ペア:

[(1, 79339600), (2, 39669800), (4, 19834900), (5, 15867920), (8, 9917450), (10, 7933960), (16, 4958725), (20, 3966980), (25, 3173584), (40, 1983490), (50, 1586792), (80, 991745), (100, 793396), (200, 396698), (400, 198349)]