16668340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64109}}^1$

素因数の和:64131

約数の個数: 24

約数和(自身を含む): 37696680

約数和(自身を除く): 21028340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 64109, 128218, 256436, 320545, 641090, 833417, 1282180, 1666834, 3333668, 4167085, 8334170, 16668340]

約数ペア:

[(1, 16668340), (2, 8334170), (4, 4167085), (5, 3333668), (10, 1666834), (13, 1282180), (20, 833417), (26, 641090), (52, 320545), (65, 256436), (130, 128218), (260, 64109)]