25262840

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{4973}}^1$

素因数の和:5111

約数の個数: 32

約数和(自身を含む): 57300480

約数和(自身を除く): 32037640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 4973, 5080, 9946, 19892, 24865, 39784, 49730, 99460, 198920, 631571, 1263142, 2526284, 3157855, 5052568, 6315710, 12631420, 25262840]

約数ペア:

[(1, 25262840), (2, 12631420), (4, 6315710), (5, 5052568), (8, 3157855), (10, 2526284), (20, 1263142), (40, 631571), (127, 198920), (254, 99460), (508, 49730), (635, 39784), (1016, 24865), (1270, 19892), (2540, 9946), (4973, 5080)]