71387236220

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{19720231}}^1$

素因数の和:19720421

約数の個数: 24

約数和(自身を含む): 150741453408

約数和(自身を除く): 79354217188

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 19720231, 39440462, 78880924, 98601155, 197202310, 394404620, 3569361811, 7138723622, 14277447244, 17846809055, 35693618110, 71387236220]

約数ペア:

[(1, 71387236220), (2, 35693618110), (4, 17846809055), (5, 14277447244), (10, 7138723622), (20, 3569361811), (181, 394404620), (362, 197202310), (724, 98601155), (905, 78880924), (1810, 39440462), (3620, 19720231)]