28358540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8807}}^1$

素因数の和:8846

約数の個数: 48

約数和(自身を含む): 71027712

約数和(自身を除く): 42669172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 8807, 17614, 35228, 44035, 61649, 88070, 123298, 176140, 202561, 246596, 308245, 405122, 616490, 810244, 1012805, 1232980, 1417927, 2025610, 2835854, 4051220, 5671708, 7089635, 14179270, 28358540]

約数ペア:

[(1, 28358540), (2, 14179270), (4, 7089635), (5, 5671708), (7, 4051220), (10, 2835854), (14, 2025610), (20, 1417927), (23, 1232980), (28, 1012805), (35, 810244), (46, 616490), (70, 405122), (92, 308245), (115, 246596), (140, 202561), (161, 176140), (230, 123298), (322, 88070), (460, 61649), (644, 44035), (805, 35228), (1610, 17614), (3220, 8807)]