28179460

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{19301}}^1$

素因数の和:19383

約数の個数: 24

約数和(自身を含む): 59990616

約数和(自身を除く): 31811156

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 19301, 38602, 77204, 96505, 193010, 386020, 1408973, 2817946, 5635892, 7044865, 14089730, 28179460]

約数ペア:

[(1, 28179460), (2, 14089730), (4, 7044865), (5, 5635892), (10, 2817946), (20, 1408973), (73, 386020), (146, 193010), (292, 96505), (365, 77204), (730, 38602), (1460, 19301)]