260236400

素因数分解:

$2^4\times 5^2\times {\mathrm{650591}}^1$

素因数の和:650609

約数の個数: 30

約数和(自身を含む): 625218912

約数和(自身を除く): 364982512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 650591, 1301182, 2602364, 3252955, 5204728, 6505910, 10409456, 13011820, 16264775, 26023640, 32529550, 52047280, 65059100, 130118200, 260236400]

約数ペア:

[(1, 260236400), (2, 130118200), (4, 65059100), (5, 52047280), (8, 32529550), (10, 26023640), (16, 16264775), (20, 13011820), (25, 10409456), (40, 6505910), (50, 5204728), (80, 3252955), (100, 2602364), (200, 1301182), (400, 650591)]