12388400

素因数分解:

$2^4\times 5^2\times {\mathrm{30971}}^1$

素因数の和:30989

約数の個数: 30

約数和(自身を含む): 29764092

約数和(自身を除く): 17375692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 30971, 61942, 123884, 154855, 247768, 309710, 495536, 619420, 774275, 1238840, 1548550, 2477680, 3097100, 6194200, 12388400]

約数ペア:

[(1, 12388400), (2, 6194200), (4, 3097100), (5, 2477680), (8, 1548550), (10, 1238840), (16, 774275), (20, 619420), (25, 495536), (40, 309710), (50, 247768), (80, 154855), (100, 123884), (200, 61942), (400, 30971)]