80728580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{839}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 180351360

約数和(自身を除く): 99622780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 283, 340, 566, 839, 1132, 1415, 1678, 2830, 3356, 4195, 4811, 5660, 8390, 9622, 14263, 16780, 19244, 24055, 28526, 48110, 57052, 71315, 96220, 142630, 237437, 285260, 474874, 949748, 1187185, 2374370, 4036429, 4748740, 8072858, 16145716, 20182145, 40364290, 80728580]

約数ペア:

[(1, 80728580), (2, 40364290), (4, 20182145), (5, 16145716), (10, 8072858), (17, 4748740), (20, 4036429), (34, 2374370), (68, 1187185), (85, 949748), (170, 474874), (283, 285260), (340, 237437), (566, 142630), (839, 96220), (1132, 71315), (1415, 57052), (1678, 48110), (2830, 28526), (3356, 24055), (4195, 19244), (4811, 16780), (5660, 14263), (8390, 9622)]