80624720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8329}}^1$

素因数の和:8364

約数の個数: 60

約数和(自身を含む): 206067540

約数和(自身を除く): 125442820

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 8329, 9680, 16658, 33316, 41645, 66632, 83290, 91619, 133264, 166580, 183238, 333160, 366476, 458095, 666320, 732952, 916190, 1007809, 1465904, 1832380, 2015618, 3664760, 4031236, 5039045, 7329520, 8062472, 10078090, 16124944, 20156180, 40312360, 80624720]

約数ペア:

[(1, 80624720), (2, 40312360), (4, 20156180), (5, 16124944), (8, 10078090), (10, 8062472), (11, 7329520), (16, 5039045), (20, 4031236), (22, 3664760), (40, 2015618), (44, 1832380), (55, 1465904), (80, 1007809), (88, 916190), (110, 732952), (121, 666320), (176, 458095), (220, 366476), (242, 333160), (440, 183238), (484, 166580), (605, 133264), (880, 91619), (968, 83290), (1210, 66632), (1936, 41645), (2420, 33316), (4840, 16658), (8329, 9680)]