8345320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 20113920

約数和(自身を除く): 11768600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 47, 92, 94, 115, 184, 188, 193, 230, 235, 376, 386, 460, 470, 772, 920, 940, 965, 1081, 1544, 1880, 1930, 2162, 3860, 4324, 4439, 5405, 7720, 8648, 8878, 9071, 10810, 17756, 18142, 21620, 22195, 35512, 36284, 43240, 44390, 45355, 72568, 88780, 90710, 177560, 181420, 208633, 362840, 417266, 834532, 1043165, 1669064, 2086330, 4172660, 8345320]

約数ペア:

[(1, 8345320), (2, 4172660), (4, 2086330), (5, 1669064), (8, 1043165), (10, 834532), (20, 417266), (23, 362840), (40, 208633), (46, 181420), (47, 177560), (92, 90710), (94, 88780), (115, 72568), (184, 45355), (188, 44390), (193, 43240), (230, 36284), (235, 35512), (376, 22195), (386, 21620), (460, 18142), (470, 17756), (772, 10810), (920, 9071), (940, 8878), (965, 8648), (1081, 7720), (1544, 5405), (1880, 4439), (1930, 4324), (2162, 3860)]