2640496

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{2089}}^1$

素因数の和:2176

約数の個数: 20

約数和(自身を含む): 5183200

約数和(自身を除く): 2542704

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 2089, 4178, 8356, 16712, 33424, 165031, 330062, 660124, 1320248, 2640496]

約数ペア:

[(1, 2640496), (2, 1320248), (4, 660124), (8, 330062), (16, 165031), (79, 33424), (158, 16712), (316, 8356), (632, 4178), (1264, 2089)]