72401203480

素因数分解:

$2^3\times 5^1\times {\mathrm{1810030087}}^1$

素因数の和:1810030098

約数の個数: 16

約数和(自身を含む): 162902707920

約数和(自身を除く): 90501504440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1810030087, 3620060174, 7240120348, 9050150435, 14480240696, 18100300870, 36200601740, 72401203480]

約数ペア:

[(1, 72401203480), (2, 36200601740), (4, 18100300870), (5, 14480240696), (8, 9050150435), (10, 7240120348), (20, 3620060174), (40, 1810030087)]