79580240

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{11177}}^1$

素因数の和:11279

約数の個数: 40

約数和(自身を含む): 187119720

約数和(自身を除く): 107539480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 11177, 22354, 44708, 55885, 89416, 111770, 178832, 223540, 447080, 894160, 994753, 1989506, 3979012, 4973765, 7958024, 9947530, 15916048, 19895060, 39790120, 79580240]

約数ペア:

[(1, 79580240), (2, 39790120), (4, 19895060), (5, 15916048), (8, 9947530), (10, 7958024), (16, 4973765), (20, 3979012), (40, 1989506), (80, 994753), (89, 894160), (178, 447080), (356, 223540), (445, 178832), (712, 111770), (890, 89416), (1424, 55885), (1780, 44708), (3560, 22354), (7120, 11177)]