66909160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53959}}^1$

素因数の和:54001

約数の個数: 32

約数和(自身を含む): 155404800

約数和(自身を除く): 88495640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 53959, 107918, 215836, 269795, 431672, 539590, 1079180, 1672729, 2158360, 3345458, 6690916, 8363645, 13381832, 16727290, 33454580, 66909160]

約数ペア:

[(1, 66909160), (2, 33454580), (4, 16727290), (5, 13381832), (8, 8363645), (10, 6690916), (20, 3345458), (31, 2158360), (40, 1672729), (62, 1079180), (124, 539590), (155, 431672), (248, 269795), (310, 215836), (620, 107918), (1240, 53959)]