28023160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63689}}^1$

素因数の和:63711

約数の個数: 32

約数和(自身を含む): 68785200

約数和(自身を除く): 40762040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 63689, 127378, 254756, 318445, 509512, 636890, 700579, 1273780, 1401158, 2547560, 2802316, 3502895, 5604632, 7005790, 14011580, 28023160]

約数ペア:

[(1, 28023160), (2, 14011580), (4, 7005790), (5, 5604632), (8, 3502895), (10, 2802316), (11, 2547560), (20, 1401158), (22, 1273780), (40, 700579), (44, 636890), (55, 509512), (88, 318445), (110, 254756), (220, 127378), (440, 63689)]