28420250

素因数分解:

$2^1\times 5^3\times {\mathrm{79}}^1\times {\mathrm{1439}}^1$

素因数の和:1535

約数の個数: 32

約数和(自身を含む): 53913600

約数和(自身を除く): 25493350

約数列:

[1, 2, 5, 10, 25, 50, 79, 125, 158, 250, 395, 790, 1439, 1975, 2878, 3950, 7195, 9875, 14390, 19750, 35975, 71950, 113681, 179875, 227362, 359750, 568405, 1136810, 2842025, 5684050, 14210125, 28420250]

約数ペア:

[(1, 28420250), (2, 14210125), (5, 5684050), (10, 2842025), (25, 1136810), (50, 568405), (79, 359750), (125, 227362), (158, 179875), (250, 113681), (395, 71950), (790, 35975), (1439, 19750), (1975, 14390), (2878, 9875), (3950, 7195)]