16211320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 38776320

約数和(自身を除く): 22565000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 67, 92, 115, 134, 184, 230, 263, 268, 335, 460, 526, 536, 670, 920, 1052, 1315, 1340, 1541, 2104, 2630, 2680, 3082, 5260, 6049, 6164, 7705, 10520, 12098, 12328, 15410, 17621, 24196, 30245, 30820, 35242, 48392, 60490, 61640, 70484, 88105, 120980, 140968, 176210, 241960, 352420, 405283, 704840, 810566, 1621132, 2026415, 3242264, 4052830, 8105660, 16211320]

約数ペア:

[(1, 16211320), (2, 8105660), (4, 4052830), (5, 3242264), (8, 2026415), (10, 1621132), (20, 810566), (23, 704840), (40, 405283), (46, 352420), (67, 241960), (92, 176210), (115, 140968), (134, 120980), (184, 88105), (230, 70484), (263, 61640), (268, 60490), (335, 48392), (460, 35242), (526, 30820), (536, 30245), (670, 24196), (920, 17621), (1052, 15410), (1315, 12328), (1340, 12098), (1541, 10520), (2104, 7705), (2630, 6164), (2680, 6049), (3082, 5260)]