72401320

素因数分解:

$2^3\times 5^1\times {\mathrm{1810033}}^1$

素因数の和:1810044

約数の個数: 16

約数和(自身を含む): 162903060

約数和(自身を除く): 90501740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1810033, 3620066, 7240132, 9050165, 14480264, 18100330, 36200660, 72401320]

約数ペア:

[(1, 72401320), (2, 36200660), (4, 18100330), (5, 14480264), (8, 9050165), (10, 7240132), (20, 3620066), (40, 1810033)]