28408430

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{27581}}^1$

素因数の和:27691

約数の個数: 16

約数和(自身を含む): 51633504

約数和(自身を除く): 23225074

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 27581, 55162, 137905, 275810, 2840843, 5681686, 14204215, 28408430]

約数ペア:

[(1, 28408430), (2, 14204215), (5, 5681686), (10, 2840843), (103, 275810), (206, 137905), (515, 55162), (1030, 27581)]