28169360

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1579}}^1$

素因数の和:1815

約数の個数: 40

約数和(自身を含む): 65829120

約数和(自身を除く): 37659760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1115, 1579, 1784, 2230, 3158, 3568, 4460, 6316, 7895, 8920, 12632, 15790, 17840, 25264, 31580, 63160, 126320, 352117, 704234, 1408468, 1760585, 2816936, 3521170, 5633872, 7042340, 14084680, 28169360]

約数ペア:

[(1, 28169360), (2, 14084680), (4, 7042340), (5, 5633872), (8, 3521170), (10, 2816936), (16, 1760585), (20, 1408468), (40, 704234), (80, 352117), (223, 126320), (446, 63160), (892, 31580), (1115, 25264), (1579, 17840), (1784, 15790), (2230, 12632), (3158, 8920), (3568, 7895), (4460, 6316)]