66720910

素因数分解:

$2^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{38567}}^1$

素因数の和:38747

約数の個数: 16

約数和(自身を含む): 120794976

約数和(自身を除く): 54074066

約数列:

[1, 2, 5, 10, 173, 346, 865, 1730, 38567, 77134, 192835, 385670, 6672091, 13344182, 33360455, 66720910]

約数ペア:

[(1, 66720910), (2, 33360455), (5, 13344182), (10, 6672091), (173, 385670), (346, 192835), (865, 77134), (1730, 38567)]