28583920

素因数分解:

$2^4\times 5^1\times {\mathrm{431}}^1\times {\mathrm{829}}^1$

素因数の和:1273

約数の個数: 40

約数和(自身を含む): 66692160

約数和(自身を除く): 38108240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 431, 829, 862, 1658, 1724, 2155, 3316, 3448, 4145, 4310, 6632, 6896, 8290, 8620, 13264, 16580, 17240, 33160, 34480, 66320, 357299, 714598, 1429196, 1786495, 2858392, 3572990, 5716784, 7145980, 14291960, 28583920]

約数ペア:

[(1, 28583920), (2, 14291960), (4, 7145980), (5, 5716784), (8, 3572990), (10, 2858392), (16, 1786495), (20, 1429196), (40, 714598), (80, 357299), (431, 66320), (829, 34480), (862, 33160), (1658, 17240), (1724, 16580), (2155, 13264), (3316, 8620), (3448, 8290), (4145, 6896), (4310, 6632)]