66584260

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{40111}}^1$

素因数の和:40203

約数の個数: 24

約数和(自身を含む): 141515136

約数和(自身を除く): 74930876

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 40111, 80222, 160444, 200555, 401110, 802220, 3329213, 6658426, 13316852, 16646065, 33292130, 66584260]

約数ペア:

[(1, 66584260), (2, 33292130), (4, 16646065), (5, 13316852), (10, 6658426), (20, 3329213), (83, 802220), (166, 401110), (332, 200555), (415, 160444), (830, 80222), (1660, 40111)]