4215280

素因数分解:

$2^4\times 5^1\times {\mathrm{52691}}^1$

素因数の和:52704

約数の個数: 20

約数和(自身を含む): 9800712

約数和(自身を除く): 5585432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 52691, 105382, 210764, 263455, 421528, 526910, 843056, 1053820, 2107640, 4215280]

約数ペア:

[(1, 4215280), (2, 2107640), (4, 1053820), (5, 843056), (8, 526910), (10, 421528), (16, 263455), (20, 210764), (40, 105382), (80, 52691)]