51016400

素因数分解:

$2^4\times 5^2\times {\mathrm{127541}}^1$

素因数の和:127559

約数の個数: 30

約数和(自身を含む): 122567862

約数和(自身を除く): 71551462

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 127541, 255082, 510164, 637705, 1020328, 1275410, 2040656, 2550820, 3188525, 5101640, 6377050, 10203280, 12754100, 25508200, 51016400]

約数ペア:

[(1, 51016400), (2, 25508200), (4, 12754100), (5, 10203280), (8, 6377050), (10, 5101640), (16, 3188525), (20, 2550820), (25, 2040656), (40, 1275410), (50, 1020328), (80, 637705), (100, 510164), (200, 255082), (400, 127541)]