3885220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2459}}^1$

素因数の和:2547

約数の個数: 24

約数和(自身を含む): 8265600

約数和(自身を除く): 4380380

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 2459, 4918, 9836, 12295, 24590, 49180, 194261, 388522, 777044, 971305, 1942610, 3885220]

約数ペア:

[(1, 3885220), (2, 1942610), (4, 971305), (5, 777044), (10, 388522), (20, 194261), (79, 49180), (158, 24590), (316, 12295), (395, 9836), (790, 4918), (1580, 2459)]