331327120

素因数分解:

$2^4\times 5^1\times {\mathrm{4141589}}^1$

素因数の和:4141602

約数の個数: 20

約数和(自身を含む): 770335740

約数和(自身を除く): 439008620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4141589, 8283178, 16566356, 20707945, 33132712, 41415890, 66265424, 82831780, 165663560, 331327120]

約数ペア:

[(1, 331327120), (2, 165663560), (4, 82831780), (5, 66265424), (8, 41415890), (10, 33132712), (16, 20707945), (20, 16566356), (40, 8283178), (80, 4141589)]