8361880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 20088000

約数和(自身を除く): 11726120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 61, 92, 115, 122, 149, 184, 230, 244, 298, 305, 460, 488, 596, 610, 745, 920, 1192, 1220, 1403, 1490, 2440, 2806, 2980, 3427, 5612, 5960, 6854, 7015, 9089, 11224, 13708, 14030, 17135, 18178, 27416, 28060, 34270, 36356, 45445, 56120, 68540, 72712, 90890, 137080, 181780, 209047, 363560, 418094, 836188, 1045235, 1672376, 2090470, 4180940, 8361880]

約数ペア:

[(1, 8361880), (2, 4180940), (4, 2090470), (5, 1672376), (8, 1045235), (10, 836188), (20, 418094), (23, 363560), (40, 209047), (46, 181780), (61, 137080), (92, 90890), (115, 72712), (122, 68540), (149, 56120), (184, 45445), (230, 36356), (244, 34270), (298, 28060), (305, 27416), (460, 18178), (488, 17135), (596, 14030), (610, 13708), (745, 11224), (920, 9089), (1192, 7015), (1220, 6854), (1403, 5960), (1490, 5612), (2440, 3427), (2806, 2980)]