66621250

素因数分解:

$2^1\times 5^4\times {\mathrm{223}}^1\times {\mathrm{239}}^1$

素因数の和:484

約数の個数: 40

約数和(自身を含む): 125959680

約数和(自身を除く): 59338430

約数列:

[1, 2, 5, 10, 25, 50, 125, 223, 239, 250, 446, 478, 625, 1115, 1195, 1250, 2230, 2390, 5575, 5975, 11150, 11950, 27875, 29875, 53297, 55750, 59750, 106594, 139375, 149375, 266485, 278750, 298750, 532970, 1332425, 2664850, 6662125, 13324250, 33310625, 66621250]

約数ペア:

[(1, 66621250), (2, 33310625), (5, 13324250), (10, 6662125), (25, 2664850), (50, 1332425), (125, 532970), (223, 298750), (239, 278750), (250, 266485), (446, 149375), (478, 139375), (625, 106594), (1115, 59750), (1195, 55750), (1250, 53297), (2230, 29875), (2390, 27875), (5575, 11950), (5975, 11150)]