66683480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53777}}^1$

素因数の和:53819

約数の個数: 32

約数和(自身を含む): 154880640

約数和(自身を除く): 88197160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 53777, 107554, 215108, 268885, 430216, 537770, 1075540, 1667087, 2151080, 3334174, 6668348, 8335435, 13336696, 16670870, 33341740, 66683480]

約数ペア:

[(1, 66683480), (2, 33341740), (4, 16670870), (5, 13336696), (8, 8335435), (10, 6668348), (20, 3334174), (31, 2151080), (40, 1667087), (62, 1075540), (124, 537770), (155, 430216), (248, 268885), (310, 215108), (620, 107554), (1240, 53777)]