155348840

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{14767}}^1$

素因数の和:15041

約数の個数: 32

約数和(自身を含む): 350887680

約数和(自身を除く): 195538840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 14767, 29534, 59068, 73835, 118136, 147670, 295340, 590680, 3883721, 7767442, 15534884, 19418605, 31069768, 38837210, 77674420, 155348840]

約数ペア:

[(1, 155348840), (2, 77674420), (4, 38837210), (5, 31069768), (8, 19418605), (10, 15534884), (20, 7767442), (40, 3883721), (263, 590680), (526, 295340), (1052, 147670), (1315, 118136), (2104, 73835), (2630, 59068), (5260, 29534), (10520, 14767)]