68552980

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{19813}}^1$

素因数の和:19995

約数の個数: 24

約数和(自身を含む): 144800712

約数和(自身を除く): 76247732

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 19813, 39626, 79252, 99065, 198130, 396260, 3427649, 6855298, 13710596, 17138245, 34276490, 68552980]

約数ペア:

[(1, 68552980), (2, 34276490), (4, 17138245), (5, 13710596), (10, 6855298), (20, 3427649), (173, 396260), (346, 198130), (692, 99065), (865, 79252), (1730, 39626), (3460, 19813)]