25406000

素因数分解:

$2^4\times 5^3\times {\mathrm{12703}}^1$

素因数の和:12726

約数の個数: 40

約数和(自身を含む): 61436544

約数和(自身を除く): 36030544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 12703, 25406, 50812, 63515, 101624, 127030, 203248, 254060, 317575, 508120, 635150, 1016240, 1270300, 1587875, 2540600, 3175750, 5081200, 6351500, 12703000, 25406000]

約数ペア:

[(1, 25406000), (2, 12703000), (4, 6351500), (5, 5081200), (8, 3175750), (10, 2540600), (16, 1587875), (20, 1270300), (25, 1016240), (40, 635150), (50, 508120), (80, 317575), (100, 254060), (125, 203248), (200, 127030), (250, 101624), (400, 63515), (500, 50812), (1000, 25406), (2000, 12703)]