125081200

素因数分解:

$2^4\times 5^2\times {\mathrm{312703}}^1$

素因数の和:312721

約数の個数: 30

約数和(自身を含む): 300508544

約数和(自身を除く): 175427344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 312703, 625406, 1250812, 1563515, 2501624, 3127030, 5003248, 6254060, 7817575, 12508120, 15635150, 25016240, 31270300, 62540600, 125081200]

約数ペア:

[(1, 125081200), (2, 62540600), (4, 31270300), (5, 25016240), (8, 15635150), (10, 12508120), (16, 7817575), (20, 6254060), (25, 5003248), (40, 3127030), (50, 2501624), (80, 1563515), (100, 1250812), (200, 625406), (400, 312703)]