131858900

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{16691}}^1$

素因数の和:16784

約数の個数: 36

約数和(自身を含む): 289773120

約数和(自身を除く): 157914220

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3950, 7900, 16691, 33382, 66764, 83455, 166910, 333820, 417275, 834550, 1318589, 1669100, 2637178, 5274356, 6592945, 13185890, 26371780, 32964725, 65929450, 131858900]

約数ペア:

[(1, 131858900), (2, 65929450), (4, 32964725), (5, 26371780), (10, 13185890), (20, 6592945), (25, 5274356), (50, 2637178), (79, 1669100), (100, 1318589), (158, 834550), (316, 417275), (395, 333820), (790, 166910), (1580, 83455), (1975, 66764), (3950, 33382), (7900, 16691)]