28989680

素因数分解:

$2^4\times 5^1\times {\mathrm{362371}}^1$

素因数の和:362384

約数の個数: 20

約数和(自身を含む): 67401192

約数和(自身を除く): 38411512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 362371, 724742, 1449484, 1811855, 2898968, 3623710, 5797936, 7247420, 14494840, 28989680]

約数ペア:

[(1, 28989680), (2, 14494840), (4, 7247420), (5, 5797936), (8, 3623710), (10, 2898968), (16, 1811855), (20, 1449484), (40, 724742), (80, 362371)]