2005403984

素因数分解:

$2^4\times {\mathrm{677}}^1\times {\mathrm{185137}}^1$

素因数の和:185822

約数の個数: 20

約数和(自身を含む): 3891230484

約数和(自身を除く): 1885826500

約数列:

[1, 2, 4, 8, 16, 677, 1354, 2708, 5416, 10832, 185137, 370274, 740548, 1481096, 2962192, 125337749, 250675498, 501350996, 1002701992, 2005403984]

約数ペア:

[(1, 2005403984), (2, 1002701992), (4, 501350996), (8, 250675498), (16, 125337749), (677, 2962192), (1354, 1481096), (2708, 740548), (5416, 370274), (10832, 185137)]