8820790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:177

約数の個数: 64

約数和(自身を含む): 18895680

約数和(自身を除く): 10074890

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 53, 55, 85, 89, 106, 110, 170, 178, 187, 265, 374, 445, 530, 583, 890, 901, 935, 979, 1166, 1513, 1802, 1870, 1958, 2915, 3026, 4505, 4717, 4895, 5830, 7565, 9010, 9434, 9790, 9911, 15130, 16643, 19822, 23585, 33286, 47170, 49555, 51887, 80189, 83215, 99110, 103774, 160378, 166430, 259435, 400945, 518870, 801890, 882079, 1764158, 4410395, 8820790]

約数ペア:

[(1, 8820790), (2, 4410395), (5, 1764158), (10, 882079), (11, 801890), (17, 518870), (22, 400945), (34, 259435), (53, 166430), (55, 160378), (85, 103774), (89, 99110), (106, 83215), (110, 80189), (170, 51887), (178, 49555), (187, 47170), (265, 33286), (374, 23585), (445, 19822), (530, 16643), (583, 15130), (890, 9911), (901, 9790), (935, 9434), (979, 9010), (1166, 7565), (1513, 5830), (1802, 4895), (1870, 4717), (1958, 4505), (2915, 3026)]