5125900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3943}}^1$

素因数の和:3970

約数の個数: 36

約数和(自身を含む): 11981872

約数和(自身を除く): 6855972

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 3943, 7886, 15772, 19715, 39430, 51259, 78860, 98575, 102518, 197150, 205036, 256295, 394300, 512590, 1025180, 1281475, 2562950, 5125900]

約数ペア:

[(1, 5125900), (2, 2562950), (4, 1281475), (5, 1025180), (10, 512590), (13, 394300), (20, 256295), (25, 205036), (26, 197150), (50, 102518), (52, 98575), (65, 78860), (100, 51259), (130, 39430), (260, 19715), (325, 15772), (650, 7886), (1300, 3943)]