13628125

素因数分解:

$5^5\times 7^2\times {\mathrm{89}}^1$

素因数の和:128

約数の個数: 36

約数和(自身を含む): 20037780

約数和(自身を除く): 6409655

約数列:

[1, 5, 7, 25, 35, 49, 89, 125, 175, 245, 445, 623, 625, 875, 1225, 2225, 3115, 3125, 4361, 4375, 6125, 11125, 15575, 21805, 21875, 30625, 55625, 77875, 109025, 153125, 278125, 389375, 545125, 1946875, 2725625, 13628125]

約数ペア:

[(1, 13628125), (5, 2725625), (7, 1946875), (25, 545125), (35, 389375), (49, 278125), (89, 153125), (125, 109025), (175, 77875), (245, 55625), (445, 30625), (623, 21875), (625, 21805), (875, 15575), (1225, 11125), (2225, 6125), (3115, 4375), (3125, 4361)]