17917381040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{400657}}^1$

素因数の和:400726

約数の個数: 80

約数和(自身を含む): 45905791008

約数和(自身を除く): 27988409968

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 1040, 1118, 1720, 2236, 2795, 3440, 4472, 5590, 8944, 11180, 22360, 44720, 400657, 801314, 1602628, 2003285, 3205256, 4006570, 5208541, 6410512, 8013140, 10417082, 16026280, 17228251, 20834164, 26042705, 32052560, 34456502, 41668328, 52085410, 68913004, 83336656, 86141255, 104170820, 137826008, 172282510, 208341640, 223967263, 275652016, 344565020, 416683280, 447934526, 689130040, 895869052, 1119836315, 1378260080, 1791738104, 2239672630, 3583476208, 4479345260, 8958690520, 17917381040]

約数ペア:

[(1, 17917381040), (2, 8958690520), (4, 4479345260), (5, 3583476208), (8, 2239672630), (10, 1791738104), (13, 1378260080), (16, 1119836315), (20, 895869052), (26, 689130040), (40, 447934526), (43, 416683280), (52, 344565020), (65, 275652016), (80, 223967263), (86, 208341640), (104, 172282510), (130, 137826008), (172, 104170820), (208, 86141255), (215, 83336656), (260, 68913004), (344, 52085410), (430, 41668328), (520, 34456502), (559, 32052560), (688, 26042705), (860, 20834164), (1040, 17228251), (1118, 16026280), (1720, 10417082), (2236, 8013140), (2795, 6410512), (3440, 5208541), (4472, 4006570), (5590, 3205256), (8944, 2003285), (11180, 1602628), (22360, 801314), (44720, 400657)]