2080475024

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{317921}}^1$

素因数の和:318338

約数の個数: 20

約数和(自身を含む): 4040788620

約数和(自身を除く): 1960313596

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 317921, 635842, 1271684, 2543368, 5086736, 130029689, 260059378, 520118756, 1040237512, 2080475024]

約数ペア:

[(1, 2080475024), (2, 1040237512), (4, 520118756), (8, 260059378), (16, 130029689), (409, 5086736), (818, 2543368), (1636, 1271684), (3272, 635842), (6544, 317921)]