2019905080

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{13147}}^1$

素因数の和:13348

約数の個数: 64

約数和(自身を含む): 4771146240

約数和(自身を除く): 2751241160

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 167, 184, 230, 334, 460, 668, 835, 920, 1336, 1670, 3340, 3841, 6680, 7682, 13147, 15364, 19205, 26294, 30728, 38410, 52588, 65735, 76820, 105176, 131470, 153640, 262940, 302381, 525880, 604762, 1209524, 1511905, 2195549, 2419048, 3023810, 4391098, 6047620, 8782196, 10977745, 12095240, 17564392, 21955490, 43910980, 50497627, 87821960, 100995254, 201990508, 252488135, 403981016, 504976270, 1009952540, 2019905080]

約数ペア:

[(1, 2019905080), (2, 1009952540), (4, 504976270), (5, 403981016), (8, 252488135), (10, 201990508), (20, 100995254), (23, 87821960), (40, 50497627), (46, 43910980), (92, 21955490), (115, 17564392), (167, 12095240), (184, 10977745), (230, 8782196), (334, 6047620), (460, 4391098), (668, 3023810), (835, 2419048), (920, 2195549), (1336, 1511905), (1670, 1209524), (3340, 604762), (3841, 525880), (6680, 302381), (7682, 262940), (13147, 153640), (15364, 131470), (19205, 105176), (26294, 76820), (30728, 65735), (38410, 52588)]