22388720

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4177}}^1$

素因数の和:4257

約数の個数: 40

約数和(自身を含む): 52843344

約数和(自身を除く): 30454624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 4177, 5360, 8354, 16708, 20885, 33416, 41770, 66832, 83540, 167080, 279859, 334160, 559718, 1119436, 1399295, 2238872, 2798590, 4477744, 5597180, 11194360, 22388720]

約数ペア:

[(1, 22388720), (2, 11194360), (4, 5597180), (5, 4477744), (8, 2798590), (10, 2238872), (16, 1399295), (20, 1119436), (40, 559718), (67, 334160), (80, 279859), (134, 167080), (268, 83540), (335, 66832), (536, 41770), (670, 33416), (1072, 20885), (1340, 16708), (2680, 8354), (4177, 5360)]