68140625

素因数分解:

$5^6\times 7^2\times {\mathrm{89}}^1$

素因数の和:133

約数の個数: 42

約数和(自身を含む): 100194030

約数和(自身を除く): 32053405

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, 15625, 21805, 21875, 30625, 55625, 77875, 109025, 109375, 153125, 278125, 389375, 545125, 765625, 1390625, 1946875, 2725625, 9734375, 13628125, 68140625]

約数ペア:

[(1, 68140625), (5, 13628125), (7, 9734375), (25, 2725625), (35, 1946875), (49, 1390625), (89, 765625), (125, 545125), (175, 389375), (245, 278125), (445, 153125), (623, 109375), (625, 109025), (875, 77875), (1225, 55625), (2225, 30625), (3115, 21875), (3125, 21805), (4361, 15625), (4375, 15575), (6125, 11125)]