65203220

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{15451}}^1$

素因数の和:15671

約数の個数: 24

約数和(自身を含む): 137584608

約数和(自身を除く): 72381388

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 15451, 30902, 61804, 77255, 154510, 309020, 3260161, 6520322, 13040644, 16300805, 32601610, 65203220]

約数ペア:

[(1, 65203220), (2, 32601610), (4, 16300805), (5, 13040644), (10, 6520322), (20, 3260161), (211, 309020), (422, 154510), (844, 77255), (1055, 61804), (2110, 30902), (4220, 15451)]