66772760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53849}}^1$

素因数の和:53891

約数の個数: 32

約数和(自身を含む): 155088000

約数和(自身を除く): 88315240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 53849, 107698, 215396, 269245, 430792, 538490, 1076980, 1669319, 2153960, 3338638, 6677276, 8346595, 13354552, 16693190, 33386380, 66772760]

約数ペア:

[(1, 66772760), (2, 33386380), (4, 16693190), (5, 13354552), (8, 8346595), (10, 6677276), (20, 3338638), (31, 2153960), (40, 1669319), (62, 1076980), (124, 538490), (155, 430792), (248, 269245), (310, 215396), (620, 107698), (1240, 53849)]