65693480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{977}}^1$

素因数の和:1070

約数の個数: 48

約数和(自身を含む): 151658460

約数和(自身を除く): 85964980

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 977, 1640, 1681, 1954, 3362, 3908, 4885, 6724, 7816, 8405, 9770, 13448, 16810, 19540, 33620, 39080, 40057, 67240, 80114, 160228, 200285, 320456, 400570, 801140, 1602280, 1642337, 3284674, 6569348, 8211685, 13138696, 16423370, 32846740, 65693480]

約数ペア:

[(1, 65693480), (2, 32846740), (4, 16423370), (5, 13138696), (8, 8211685), (10, 6569348), (20, 3284674), (40, 1642337), (41, 1602280), (82, 801140), (164, 400570), (205, 320456), (328, 200285), (410, 160228), (820, 80114), (977, 67240), (1640, 40057), (1681, 39080), (1954, 33620), (3362, 19540), (3908, 16810), (4885, 13448), (6724, 9770), (7816, 8405)]