2080205420

素因数分解:

$2^2\times 5^1\times {\mathrm{2063}}^1\times {\mathrm{50417}}^1$

素因数の和:52489

約数の個数: 24

約数和(自身を含む): 4370635584

約数和(自身を除く): 2290430164

約数列:

[1, 2, 4, 5, 10, 20, 2063, 4126, 8252, 10315, 20630, 41260, 50417, 100834, 201668, 252085, 504170, 1008340, 104010271, 208020542, 416041084, 520051355, 1040102710, 2080205420]

約数ペア:

[(1, 2080205420), (2, 1040102710), (4, 520051355), (5, 416041084), (10, 208020542), (20, 104010271), (2063, 1008340), (4126, 504170), (8252, 252085), (10315, 201668), (20630, 100834), (41260, 50417)]