201738920

素因数分解:

$2^3\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{3931}}^1$

素因数の和:5225

約数の個数: 32

約数和(自身を含む): 454381920

約数和(自身を除く): 252643000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1283, 2566, 3931, 5132, 6415, 7862, 10264, 12830, 15724, 19655, 25660, 31448, 39310, 51320, 78620, 157240, 5043473, 10086946, 20173892, 25217365, 40347784, 50434730, 100869460, 201738920]

約数ペア:

[(1, 201738920), (2, 100869460), (4, 50434730), (5, 40347784), (8, 25217365), (10, 20173892), (20, 10086946), (40, 5043473), (1283, 157240), (2566, 78620), (3931, 51320), (5132, 39310), (6415, 31448), (7862, 25660), (10264, 19655), (12830, 15724)]