67661480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{41257}}^1$

素因数の和:41309

約数の個数: 32

約数和(自身を含む): 155955240

約数和(自身を除く): 88293760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 41257, 82514, 165028, 206285, 330056, 412570, 825140, 1650280, 1691537, 3383074, 6766148, 8457685, 13532296, 16915370, 33830740, 67661480]

約数ペア:

[(1, 67661480), (2, 33830740), (4, 16915370), (5, 13532296), (8, 8457685), (10, 6766148), (20, 3383074), (40, 1691537), (41, 1650280), (82, 825140), (164, 412570), (205, 330056), (328, 206285), (410, 165028), (820, 82514), (1640, 41257)]