129800450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{15361}}^1$

素因数の和:15399

約数の個数: 36

約数和(自身を含む): 261445878

約数和(自身を除く): 131645428

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 4225, 8450, 15361, 30722, 76805, 153610, 199693, 384025, 399386, 768050, 998465, 1996930, 2596009, 4992325, 5192018, 9984650, 12980045, 25960090, 64900225, 129800450]

約数ペア:

[(1, 129800450), (2, 64900225), (5, 25960090), (10, 12980045), (13, 9984650), (25, 5192018), (26, 4992325), (50, 2596009), (65, 1996930), (130, 998465), (169, 768050), (325, 399386), (338, 384025), (650, 199693), (845, 153610), (1690, 76805), (4225, 30722), (8450, 15361)]