8648900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6653}}^1$

素因数の和:6680

約数の個数: 36

約数和(自身を含む): 20214852

約数和(自身を除く): 11565952

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 6653, 13306, 26612, 33265, 66530, 86489, 133060, 166325, 172978, 332650, 345956, 432445, 665300, 864890, 1729780, 2162225, 4324450, 8648900]

約数ペア:

[(1, 8648900), (2, 4324450), (4, 2162225), (5, 1729780), (10, 864890), (13, 665300), (20, 432445), (25, 345956), (26, 332650), (50, 172978), (52, 166325), (65, 133060), (100, 86489), (130, 66530), (260, 33265), (325, 26612), (650, 13306), (1300, 6653)]