165118900

素因数分解:

$2^2\times 5^2\times {\mathrm{1279}}^1\times {\mathrm{1291}}^1$

素因数の和:2584

約数の個数: 36

約数和(自身を含む): 358865920

約数和(自身を除く): 193747020

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1279, 1291, 2558, 2582, 5116, 5164, 6395, 6455, 12790, 12910, 25580, 25820, 31975, 32275, 63950, 64550, 127900, 129100, 1651189, 3302378, 6604756, 8255945, 16511890, 33023780, 41279725, 82559450, 165118900]

約数ペア:

[(1, 165118900), (2, 82559450), (4, 41279725), (5, 33023780), (10, 16511890), (20, 8255945), (25, 6604756), (50, 3302378), (100, 1651189), (1279, 129100), (1291, 127900), (2558, 64550), (2582, 63950), (5116, 32275), (5164, 31975), (6395, 25820), (6455, 25580), (12790, 12910)]