80749920688

素因数分解:

$2^4\times {\mathrm{397}}^1\times {\mathrm{12712519}}^1$

素因数の和:12712924

約数の個数: 20

約数和(自身を含む): 156847071760

約数和(自身を除く): 76097151072

約数列:

[1, 2, 4, 8, 16, 397, 794, 1588, 3176, 6352, 12712519, 25425038, 50850076, 101700152, 203400304, 5046870043, 10093740086, 20187480172, 40374960344, 80749920688]

約数ペア:

[(1, 80749920688), (2, 40374960344), (4, 20187480172), (8, 10093740086), (16, 5046870043), (397, 203400304), (794, 101700152), (1588, 50850076), (3176, 25425038), (6352, 12712519)]