164873000

素因数分解:

$2^3\times 5^3\times {\mathrm{79}}^1\times {\mathrm{2087}}^1$

素因数の和:2187

約数の個数: 64

約数和(自身を含む): 390873600

約数和(自身を除く): 226000600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 125, 158, 200, 250, 316, 395, 500, 632, 790, 1000, 1580, 1975, 2087, 3160, 3950, 4174, 7900, 8348, 9875, 10435, 15800, 16696, 19750, 20870, 39500, 41740, 52175, 79000, 83480, 104350, 164873, 208700, 260875, 329746, 417400, 521750, 659492, 824365, 1043500, 1318984, 1648730, 2087000, 3297460, 4121825, 6594920, 8243650, 16487300, 20609125, 32974600, 41218250, 82436500, 164873000]

約数ペア:

[(1, 164873000), (2, 82436500), (4, 41218250), (5, 32974600), (8, 20609125), (10, 16487300), (20, 8243650), (25, 6594920), (40, 4121825), (50, 3297460), (79, 2087000), (100, 1648730), (125, 1318984), (158, 1043500), (200, 824365), (250, 659492), (316, 521750), (395, 417400), (500, 329746), (632, 260875), (790, 208700), (1000, 164873), (1580, 104350), (1975, 83480), (2087, 79000), (3160, 52175), (3950, 41740), (4174, 39500), (7900, 20870), (8348, 19750), (9875, 16696), (10435, 15800)]