28195250

素因数分解:

$2^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{3889}}^1$

素因数の和:3935

約数の個数: 32

約数和(自身を含む): 54615600

約数和(自身を除く): 26420350

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 125, 145, 250, 290, 725, 1450, 3625, 3889, 7250, 7778, 19445, 38890, 97225, 112781, 194450, 225562, 486125, 563905, 972250, 1127810, 2819525, 5639050, 14097625, 28195250]

約数ペア:

[(1, 28195250), (2, 14097625), (5, 5639050), (10, 2819525), (25, 1127810), (29, 972250), (50, 563905), (58, 486125), (125, 225562), (145, 194450), (250, 112781), (290, 97225), (725, 38890), (1450, 19445), (3625, 7778), (3889, 7250)]