52678600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{20261}}^1$

素因数の和:20290

約数の個数: 48

約数和(自身を含む): 131905620

約数和(自身を除く): 79227020

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 20261, 40522, 81044, 101305, 162088, 202610, 263393, 405220, 506525, 526786, 810440, 1013050, 1053572, 1316965, 2026100, 2107144, 2633930, 4052200, 5267860, 6584825, 10535720, 13169650, 26339300, 52678600]

約数ペア:

[(1, 52678600), (2, 26339300), (4, 13169650), (5, 10535720), (8, 6584825), (10, 5267860), (13, 4052200), (20, 2633930), (25, 2107144), (26, 2026100), (40, 1316965), (50, 1053572), (52, 1013050), (65, 810440), (100, 526786), (104, 506525), (130, 405220), (200, 263393), (260, 202610), (325, 162088), (520, 101305), (650, 81044), (1300, 40522), (2600, 20261)]