520029680

素因数分解:

$2^4\times 5^1\times {\mathrm{6500371}}^1$

素因数の和:6500384

約数の個数: 20

約数和(自身を含む): 1209069192

約数和(自身を除く): 689039512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6500371, 13000742, 26001484, 32501855, 52002968, 65003710, 104005936, 130007420, 260014840, 520029680]

約数ペア:

[(1, 520029680), (2, 260014840), (4, 130007420), (5, 104005936), (8, 65003710), (10, 52002968), (16, 32501855), (20, 26001484), (40, 13000742), (80, 6500371)]