28471460

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{19501}}^1$

素因数の和:19583

約数の個数: 24

約数和(自身を含む): 60612216

約数和(自身を除く): 32140756

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 19501, 39002, 78004, 97505, 195010, 390020, 1423573, 2847146, 5694292, 7117865, 14235730, 28471460]

約数ペア:

[(1, 28471460), (2, 14235730), (4, 7117865), (5, 5694292), (10, 2847146), (20, 1423573), (73, 390020), (146, 195010), (292, 97505), (365, 78004), (730, 39002), (1460, 19501)]