28928840

素因数分解:

$2^3\times 5^1\times {\mathrm{723221}}^1$

素因数の和:723232

約数の個数: 16

約数和(自身を含む): 65089980

約数和(自身を除く): 36161140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 723221, 1446442, 2892884, 3616105, 5785768, 7232210, 14464420, 28928840]

約数ペア:

[(1, 28928840), (2, 14464420), (4, 7232210), (5, 5785768), (8, 3616105), (10, 2892884), (20, 1446442), (40, 723221)]