13811800

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1303}}^1$

素因数の和:1372

約数の個数: 48

約数和(自身を含む): 32743440

約数和(自身を除く): 18931640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 200, 212, 265, 424, 530, 1060, 1303, 1325, 2120, 2606, 2650, 5212, 5300, 6515, 10424, 10600, 13030, 26060, 32575, 52120, 65150, 69059, 130300, 138118, 260600, 276236, 345295, 552472, 690590, 1381180, 1726475, 2762360, 3452950, 6905900, 13811800]

約数ペア:

[(1, 13811800), (2, 6905900), (4, 3452950), (5, 2762360), (8, 1726475), (10, 1381180), (20, 690590), (25, 552472), (40, 345295), (50, 276236), (53, 260600), (100, 138118), (106, 130300), (200, 69059), (212, 65150), (265, 52120), (424, 32575), (530, 26060), (1060, 13030), (1303, 10600), (1325, 10424), (2120, 6515), (2606, 5300), (2650, 5212)]