68656780

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{19843}}^1$

素因数の和:20025

約数の個数: 24

約数和(自身を含む): 145019952

約数和(自身を除く): 76363172

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 19843, 39686, 79372, 99215, 198430, 396860, 3432839, 6865678, 13731356, 17164195, 34328390, 68656780]

約数ペア:

[(1, 68656780), (2, 34328390), (4, 17164195), (5, 13731356), (10, 6865678), (20, 3432839), (173, 396860), (346, 198430), (692, 99215), (865, 79372), (1730, 39686), (3460, 19843)]