12429680

素因数分解:

$2^4\times 5^1\times {\mathrm{155371}}^1$

素因数の和:155384

約数の個数: 20

約数和(自身を含む): 28899192

約数和(自身を除く): 16469512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 155371, 310742, 621484, 776855, 1242968, 1553710, 2485936, 3107420, 6214840, 12429680]

約数ペア:

[(1, 12429680), (2, 6214840), (4, 3107420), (5, 2485936), (8, 1553710), (10, 1242968), (16, 776855), (20, 621484), (40, 310742), (80, 155371)]