25843000

素因数分解:

$2^3\times 5^3\times {\mathrm{43}}^1\times {\mathrm{601}}^1$

素因数の和:665

約数の個数: 64

約数和(自身を含む): 61981920

約数和(自身を除く): 36138920

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 125, 172, 200, 215, 250, 344, 430, 500, 601, 860, 1000, 1075, 1202, 1720, 2150, 2404, 3005, 4300, 4808, 5375, 6010, 8600, 10750, 12020, 15025, 21500, 24040, 25843, 30050, 43000, 51686, 60100, 75125, 103372, 120200, 129215, 150250, 206744, 258430, 300500, 516860, 601000, 646075, 1033720, 1292150, 2584300, 3230375, 5168600, 6460750, 12921500, 25843000]

約数ペア:

[(1, 25843000), (2, 12921500), (4, 6460750), (5, 5168600), (8, 3230375), (10, 2584300), (20, 1292150), (25, 1033720), (40, 646075), (43, 601000), (50, 516860), (86, 300500), (100, 258430), (125, 206744), (172, 150250), (200, 129215), (215, 120200), (250, 103372), (344, 75125), (430, 60100), (500, 51686), (601, 43000), (860, 30050), (1000, 25843), (1075, 24040), (1202, 21500), (1720, 15025), (2150, 12020), (2404, 10750), (3005, 8600), (4300, 6010), (4808, 5375)]