31019968360

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5579131}}^1$

素因数の和:5579281

約数の個数: 32

約数和(自身を含む): 70297063200

約数和(自身を除く): 39277094840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 5579131, 11158262, 22316524, 27895655, 44633048, 55791310, 111582620, 223165240, 775499209, 1550998418, 3101996836, 3877496045, 6203993672, 7754992090, 15509984180, 31019968360]

約数ペア:

[(1, 31019968360), (2, 15509984180), (4, 7754992090), (5, 6203993672), (8, 3877496045), (10, 3101996836), (20, 1550998418), (40, 775499209), (139, 223165240), (278, 111582620), (556, 55791310), (695, 44633048), (1112, 27895655), (1390, 22316524), (2780, 11158262), (5560, 5579131)]