12940850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1$

素因数の和:531

約数の個数: 48

約数和(自身を含む): 26581632

約数和(自身を除く): 13640782

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 65, 86, 130, 215, 325, 430, 463, 559, 650, 926, 1075, 1118, 2150, 2315, 2795, 4630, 5590, 6019, 11575, 12038, 13975, 19909, 23150, 27950, 30095, 39818, 60190, 99545, 150475, 199090, 258817, 300950, 497725, 517634, 995450, 1294085, 2588170, 6470425, 12940850]

約数ペア:

[(1, 12940850), (2, 6470425), (5, 2588170), (10, 1294085), (13, 995450), (25, 517634), (26, 497725), (43, 300950), (50, 258817), (65, 199090), (86, 150475), (130, 99545), (215, 60190), (325, 39818), (430, 30095), (463, 27950), (559, 23150), (650, 19909), (926, 13975), (1075, 12038), (1118, 11575), (2150, 6019), (2315, 5590), (2795, 4630)]