25329370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{563}}^1$

素因数の和:990

約数の個数: 32

約数和(自身を含む): 49947840

約数和(自身を除く): 24618470

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 409, 563, 818, 1126, 2045, 2815, 4090, 4499, 5630, 6193, 8998, 12386, 22495, 30965, 44990, 61930, 230267, 460534, 1151335, 2302670, 2532937, 5065874, 12664685, 25329370]

約数ペア:

[(1, 25329370), (2, 12664685), (5, 5065874), (10, 2532937), (11, 2302670), (22, 1151335), (55, 460534), (110, 230267), (409, 61930), (563, 44990), (818, 30965), (1126, 22495), (2045, 12386), (2815, 8998), (4090, 6193), (4499, 5630)]