28787030

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2663}}^1$

素因数の和:2740

約数の個数: 32

約数和(自身を含む): 55240704

約数和(自身を除く): 26453674

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 115, 230, 235, 470, 1081, 2162, 2663, 5326, 5405, 10810, 13315, 26630, 61249, 122498, 125161, 250322, 306245, 612490, 625805, 1251610, 2878703, 5757406, 14393515, 28787030]

約数ペア:

[(1, 28787030), (2, 14393515), (5, 5757406), (10, 2878703), (23, 1251610), (46, 625805), (47, 612490), (94, 306245), (115, 250322), (230, 125161), (235, 122498), (470, 61249), (1081, 26630), (2162, 13315), (2663, 10810), (5326, 5405)]