28351250

素因数分解:

$2^1\times 5^4\times {\mathrm{37}}^1\times {\mathrm{613}}^1$

素因数の和:672

約数の個数: 40

約数和(自身を含む): 54666876

約数和(自身を除く): 26315626

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 125, 185, 250, 370, 613, 625, 925, 1226, 1250, 1850, 3065, 4625, 6130, 9250, 15325, 22681, 23125, 30650, 45362, 46250, 76625, 113405, 153250, 226810, 383125, 567025, 766250, 1134050, 2835125, 5670250, 14175625, 28351250]

約数ペア:

[(1, 28351250), (2, 14175625), (5, 5670250), (10, 2835125), (25, 1134050), (37, 766250), (50, 567025), (74, 383125), (125, 226810), (185, 153250), (250, 113405), (370, 76625), (613, 46250), (625, 45362), (925, 30650), (1226, 23125), (1250, 22681), (1850, 15325), (3065, 9250), (4625, 6130)]