66313960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53479}}^1$

素因数の和:53521

約数の個数: 32

約数和(自身を含む): 154022400

約数和(自身を除く): 87708440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 53479, 106958, 213916, 267395, 427832, 534790, 1069580, 1657849, 2139160, 3315698, 6631396, 8289245, 13262792, 16578490, 33156980, 66313960]

約数ペア:

[(1, 66313960), (2, 33156980), (4, 16578490), (5, 13262792), (8, 8289245), (10, 6631396), (20, 3315698), (31, 2139160), (40, 1657849), (62, 1069580), (124, 534790), (155, 427832), (248, 267395), (310, 213916), (620, 106958), (1240, 53479)]