8691320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19753}}^1$

素因数の和:19775

約数の個数: 32

約数和(自身を含む): 21334320

約数和(自身を除く): 12643000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 19753, 39506, 79012, 98765, 158024, 197530, 217283, 395060, 434566, 790120, 869132, 1086415, 1738264, 2172830, 4345660, 8691320]

約数ペア:

[(1, 8691320), (2, 4345660), (4, 2172830), (5, 1738264), (8, 1086415), (10, 869132), (11, 790120), (20, 434566), (22, 395060), (40, 217283), (44, 197530), (55, 158024), (88, 98765), (110, 79012), (220, 39506), (440, 19753)]