12344020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 28174608

約数和(自身を除く): 15830588

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 197, 241, 260, 394, 482, 788, 964, 985, 1205, 1970, 2410, 2561, 3133, 3940, 4820, 5122, 6266, 10244, 12532, 12805, 15665, 25610, 31330, 47477, 51220, 62660, 94954, 189908, 237385, 474770, 617201, 949540, 1234402, 2468804, 3086005, 6172010, 12344020]

約数ペア:

[(1, 12344020), (2, 6172010), (4, 3086005), (5, 2468804), (10, 1234402), (13, 949540), (20, 617201), (26, 474770), (52, 237385), (65, 189908), (130, 94954), (197, 62660), (241, 51220), (260, 47477), (394, 31330), (482, 25610), (788, 15665), (964, 12805), (985, 12532), (1205, 10244), (1970, 6266), (2410, 5122), (2561, 4820), (3133, 3940)]