12509680

素因数分解:

$2^4\times 5^1\times {\mathrm{156371}}^1$

素因数の和:156384

約数の個数: 20

約数和(自身を含む): 29085192

約数和(自身を除く): 16575512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 156371, 312742, 625484, 781855, 1250968, 1563710, 2501936, 3127420, 6254840, 12509680]

約数ペア:

[(1, 12509680), (2, 6254840), (4, 3127420), (5, 2501936), (8, 1563710), (10, 1250968), (16, 781855), (20, 625484), (40, 312742), (80, 156371)]