66843740

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{19319}}^1$

素因数の和:19501

約数の個数: 24

約数和(自身を含む): 141190560

約数和(自身を除く): 74346820

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 19319, 38638, 77276, 96595, 193190, 386380, 3342187, 6684374, 13368748, 16710935, 33421870, 66843740]

約数ペア:

[(1, 66843740), (2, 33421870), (4, 16710935), (5, 13368748), (10, 6684374), (20, 3342187), (173, 386380), (346, 193190), (692, 96595), (865, 77276), (1730, 38638), (3460, 19319)]