4996400

素因数分解:

$2^4\times 5^2\times {\mathrm{12491}}^1$

素因数の和:12509

約数の個数: 30

約数和(自身を含む): 12004812

約数和(自身を除く): 7008412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 12491, 24982, 49964, 62455, 99928, 124910, 199856, 249820, 312275, 499640, 624550, 999280, 1249100, 2498200, 4996400]

約数ペア:

[(1, 4996400), (2, 2498200), (4, 1249100), (5, 999280), (8, 624550), (10, 499640), (16, 312275), (20, 249820), (25, 199856), (40, 124910), (50, 99928), (80, 62455), (100, 49964), (200, 24982), (400, 12491)]