8866180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 20003760

約数和(自身を除く): 11137580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 293, 340, 356, 445, 586, 890, 1172, 1465, 1513, 1780, 2930, 3026, 4981, 5860, 6052, 7565, 9962, 15130, 19924, 24905, 26077, 30260, 49810, 52154, 99620, 104308, 130385, 260770, 443309, 521540, 886618, 1773236, 2216545, 4433090, 8866180]

約数ペア:

[(1, 8866180), (2, 4433090), (4, 2216545), (5, 1773236), (10, 886618), (17, 521540), (20, 443309), (34, 260770), (68, 130385), (85, 104308), (89, 99620), (170, 52154), (178, 49810), (293, 30260), (340, 26077), (356, 24905), (445, 19924), (586, 15130), (890, 9962), (1172, 7565), (1465, 6052), (1513, 5860), (1780, 4981), (2930, 3026)]