2786890840

素因数分解:

$2^3\times 5^1\times {\mathrm{69672271}}^1$

素因数の和:69672282

約数の個数: 16

約数和(自身を含む): 6270504480

約数和(自身を除く): 3483613640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 69672271, 139344542, 278689084, 348361355, 557378168, 696722710, 1393445420, 2786890840]

約数ペア:

[(1, 2786890840), (2, 1393445420), (4, 696722710), (5, 557378168), (8, 348361355), (10, 278689084), (20, 139344542), (40, 69672271)]