79206800

素因数分解:

$2^4\times 5^2\times {\mathrm{198017}}^1$

素因数の和:198035

約数の個数: 30

約数和(自身を含む): 190295298

約数和(自身を除く): 111088498

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 198017, 396034, 792068, 990085, 1584136, 1980170, 3168272, 3960340, 4950425, 7920680, 9900850, 15841360, 19801700, 39603400, 79206800]

約数ペア:

[(1, 79206800), (2, 39603400), (4, 19801700), (5, 15841360), (8, 9900850), (10, 7920680), (16, 4950425), (20, 3960340), (25, 3168272), (40, 1980170), (50, 1584136), (80, 990085), (100, 792068), (200, 396034), (400, 198017)]