6646900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{5113}}^1$

素因数の和:5140

約数の個数: 36

約数和(自身を含む): 15536332

約数和(自身を除く): 8889432

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 5113, 10226, 20452, 25565, 51130, 66469, 102260, 127825, 132938, 255650, 265876, 332345, 511300, 664690, 1329380, 1661725, 3323450, 6646900]

約数ペア:

[(1, 6646900), (2, 3323450), (4, 1661725), (5, 1329380), (10, 664690), (13, 511300), (20, 332345), (25, 265876), (26, 255650), (50, 132938), (52, 127825), (65, 102260), (100, 66469), (130, 51130), (260, 25565), (325, 20452), (650, 10226), (1300, 5113)]