53505040

素因数分解:

$2^4\times 5^1\times {\mathrm{668813}}^1$

素因数の和:668826

約数の個数: 20

約数和(自身を含む): 124399404

約数和(自身を除く): 70894364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 668813, 1337626, 2675252, 3344065, 5350504, 6688130, 10701008, 13376260, 26752520, 53505040]

約数ペア:

[(1, 53505040), (2, 26752520), (4, 13376260), (5, 10701008), (8, 6688130), (10, 5350504), (16, 3344065), (20, 2675252), (40, 1337626), (80, 668813)]