131696500

素因数分解:

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

素因数の和:20293

約数の個数: 48

約数和(自身を含む): 309765456

約数和(自身を除く): 178068956

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 20261, 40522, 81044, 101305, 202610, 263393, 405220, 506525, 526786, 1013050, 1053572, 1316965, 2026100, 2532625, 2633930, 5065250, 5267860, 6584825, 10130500, 13169650, 26339300, 32924125, 65848250, 131696500]

約数ペア:

[(1, 131696500), (2, 65848250), (4, 32924125), (5, 26339300), (10, 13169650), (13, 10130500), (20, 6584825), (25, 5267860), (26, 5065250), (50, 2633930), (52, 2532625), (65, 2026100), (100, 1316965), (125, 1053572), (130, 1013050), (250, 526786), (260, 506525), (325, 405220), (500, 263393), (650, 202610), (1300, 101305), (1625, 81044), (3250, 40522), (6500, 20261)]