68404360

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{16603}}^1$

素因数の和:16717

約数の個数: 32

約数和(自身を含む): 155413440

約数和(自身を除く): 87009080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 16603, 33206, 66412, 83015, 132824, 166030, 332060, 664120, 1710109, 3420218, 6840436, 8550545, 13680872, 17101090, 34202180, 68404360]

約数ペア:

[(1, 68404360), (2, 34202180), (4, 17101090), (5, 13680872), (8, 8550545), (10, 6840436), (20, 3420218), (40, 1710109), (103, 664120), (206, 332060), (412, 166030), (515, 132824), (824, 83015), (1030, 66412), (2060, 33206), (4120, 16603)]