51355000

素因数分解:

$2^3\times 5^4\times {\mathrm{10271}}^1$

素因数の和:10297

約数の個数: 40

約数和(自身を含む): 120336480

約数和(自身を除く): 68981480

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 10271, 20542, 41084, 51355, 82168, 102710, 205420, 256775, 410840, 513550, 1027100, 1283875, 2054200, 2567750, 5135500, 6419375, 10271000, 12838750, 25677500, 51355000]

約数ペア:

[(1, 51355000), (2, 25677500), (4, 12838750), (5, 10271000), (8, 6419375), (10, 5135500), (20, 2567750), (25, 2054200), (40, 1283875), (50, 1027100), (100, 513550), (125, 410840), (200, 256775), (250, 205420), (500, 102710), (625, 82168), (1000, 51355), (1250, 41084), (2500, 20542), (5000, 10271)]