28165340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8747}}^1$

素因数の和:8786

約数の個数: 48

約数和(自身を含む): 70543872

約数和(自身を除く): 42378532

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, 8747, 17494, 34988, 43735, 61229, 87470, 122458, 174940, 201181, 244916, 306145, 402362, 612290, 804724, 1005905, 1224580, 1408267, 2011810, 2816534, 4023620, 5633068, 7041335, 14082670, 28165340]

約数ペア:

[(1, 28165340), (2, 14082670), (4, 7041335), (5, 5633068), (7, 4023620), (10, 2816534), (14, 2011810), (20, 1408267), (23, 1224580), (28, 1005905), (35, 804724), (46, 612290), (70, 402362), (92, 306145), (115, 244916), (140, 201181), (161, 174940), (230, 122458), (322, 87470), (460, 61229), (644, 43735), (805, 34988), (1610, 17494), (3220, 8747)]