39155440

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1861}}^1$

素因数の和:2137

約数の個数: 40

約数和(自身を含む): 91431648

約数和(自身を除く): 52276208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 1052, 1315, 1861, 2104, 2630, 3722, 4208, 5260, 7444, 9305, 10520, 14888, 18610, 21040, 29776, 37220, 74440, 148880, 489443, 978886, 1957772, 2447215, 3915544, 4894430, 7831088, 9788860, 19577720, 39155440]

約数ペア:

[(1, 39155440), (2, 19577720), (4, 9788860), (5, 7831088), (8, 4894430), (10, 3915544), (16, 2447215), (20, 1957772), (40, 978886), (80, 489443), (263, 148880), (526, 74440), (1052, 37220), (1315, 29776), (1861, 21040), (2104, 18610), (2630, 14888), (3722, 10520), (4208, 9305), (5260, 7444)]