66130520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71881}}^1$

素因数の和:71915

約数の個数: 32

約数和(自身を含む): 155265120

約数和(自身を除く): 89134600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 71881, 143762, 287524, 359405, 575048, 718810, 1437620, 1653263, 2875240, 3306526, 6613052, 8266315, 13226104, 16532630, 33065260, 66130520]

約数ペア:

[(1, 66130520), (2, 33065260), (4, 16532630), (5, 13226104), (8, 8266315), (10, 6613052), (20, 3306526), (23, 2875240), (40, 1653263), (46, 1437620), (92, 718810), (115, 575048), (184, 359405), (230, 287524), (460, 143762), (920, 71881)]