19925565560

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2360849}}^1$

素因数の和:2361071

約数の個数: 32

約数和(自身を含む): 45045018000

約数和(自身を除く): 25119452440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 2360849, 4721698, 9443396, 11804245, 18886792, 23608490, 47216980, 94433960, 498139139, 996278278, 1992556556, 2490695695, 3985113112, 4981391390, 9962782780, 19925565560]

約数ペア:

[(1, 19925565560), (2, 9962782780), (4, 4981391390), (5, 3985113112), (8, 2490695695), (10, 1992556556), (20, 996278278), (40, 498139139), (211, 94433960), (422, 47216980), (844, 23608490), (1055, 18886792), (1688, 11804245), (2110, 9443396), (4220, 4721698), (8440, 2360849)]