5145400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1979}}^1$

素因数の和:2008

約数の個数: 48

約数和(自身を含む): 12889800

約数和(自身を除く): 7744400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 1979, 2600, 3958, 7916, 9895, 15832, 19790, 25727, 39580, 49475, 51454, 79160, 98950, 102908, 128635, 197900, 205816, 257270, 395800, 514540, 643175, 1029080, 1286350, 2572700, 5145400]

約数ペア:

[(1, 5145400), (2, 2572700), (4, 1286350), (5, 1029080), (8, 643175), (10, 514540), (13, 395800), (20, 257270), (25, 205816), (26, 197900), (40, 128635), (50, 102908), (52, 98950), (65, 79160), (100, 51454), (104, 49475), (130, 39580), (200, 25727), (260, 19790), (325, 15832), (520, 9895), (650, 7916), (1300, 3958), (1979, 2600)]