72390260

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{16231}}^1$

素因数の和:16463

約数の個数: 24

約数和(自身を含む): 152710656

約数和(自身を除く): 80320396

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 16231, 32462, 64924, 81155, 162310, 324620, 3619513, 7239026, 14478052, 18097565, 36195130, 72390260]

約数ペア:

[(1, 72390260), (2, 36195130), (4, 18097565), (5, 14478052), (10, 7239026), (20, 3619513), (223, 324620), (446, 162310), (892, 81155), (1115, 64924), (2230, 32462), (4460, 16231)]