8286980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31873}}^1$

素因数の和:31895

約数の個数: 24

約数和(自身を含む): 18741912

約数和(自身を除く): 10454932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 31873, 63746, 127492, 159365, 318730, 414349, 637460, 828698, 1657396, 2071745, 4143490, 8286980]

約数ペア:

[(1, 8286980), (2, 4143490), (4, 2071745), (5, 1657396), (10, 828698), (13, 637460), (20, 414349), (26, 318730), (52, 159365), (65, 127492), (130, 63746), (260, 31873)]