66781460

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{19301}}^1$

素因数の和:19483

約数の個数: 24

約数和(自身を含む): 141059016

約数和(自身を除く): 74277556

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 19301, 38602, 77204, 96505, 193010, 386020, 3339073, 6678146, 13356292, 16695365, 33390730, 66781460]

約数ペア:

[(1, 66781460), (2, 33390730), (4, 16695365), (5, 13356292), (10, 6678146), (20, 3339073), (173, 386020), (346, 193010), (692, 96505), (865, 77204), (1730, 38602), (3460, 19301)]