15696022280

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1991881}}^1$

素因数の和:1992089

約数の個数: 32

約数和(自身を含む): 35495337240

約数和(自身を除く): 19799314960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 1991881, 3983762, 7967524, 9959405, 15935048, 19918810, 39837620, 79675240, 392400557, 784801114, 1569602228, 1962002785, 3139204456, 3924005570, 7848011140, 15696022280]

約数ペア:

[(1, 15696022280), (2, 7848011140), (4, 3924005570), (5, 3139204456), (8, 1962002785), (10, 1569602228), (20, 784801114), (40, 392400557), (197, 79675240), (394, 39837620), (788, 19918810), (985, 15935048), (1576, 9959405), (1970, 7967524), (3940, 3983762), (7880, 1991881)]