8207320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{811}}^1$

素因数の和:856

約数の個数: 64

約数和(自身を含む): 21047040

約数和(自身を除く): 12839720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 811, 920, 1012, 1265, 1622, 2024, 2530, 3244, 4055, 5060, 6488, 8110, 8921, 10120, 16220, 17842, 18653, 32440, 35684, 37306, 44605, 71368, 74612, 89210, 93265, 149224, 178420, 186530, 205183, 356840, 373060, 410366, 746120, 820732, 1025915, 1641464, 2051830, 4103660, 8207320]

約数ペア:

[(1, 8207320), (2, 4103660), (4, 2051830), (5, 1641464), (8, 1025915), (10, 820732), (11, 746120), (20, 410366), (22, 373060), (23, 356840), (40, 205183), (44, 186530), (46, 178420), (55, 149224), (88, 93265), (92, 89210), (110, 74612), (115, 71368), (184, 44605), (220, 37306), (230, 35684), (253, 32440), (440, 18653), (460, 17842), (506, 16220), (811, 10120), (920, 8921), (1012, 8110), (1265, 6488), (1622, 5060), (2024, 4055), (2530, 3244)]