85358120

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{23977}}^1$

素因数の和:24077

約数の個数: 32

約数和(自身を含む): 194221800

約数和(自身を除く): 108863680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 23977, 47954, 95908, 119885, 191816, 239770, 479540, 959080, 2133953, 4267906, 8535812, 10669765, 17071624, 21339530, 42679060, 85358120]

約数ペア:

[(1, 85358120), (2, 42679060), (4, 21339530), (5, 17071624), (8, 10669765), (10, 8535812), (20, 4267906), (40, 2133953), (89, 959080), (178, 479540), (356, 239770), (445, 191816), (712, 119885), (890, 95908), (1780, 47954), (3560, 23977)]