25206740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1447}}^1$

素因数の和:1536

約数の個数: 48

約数和(自身を含む): 57896832

約数和(自身を除く): 32690092

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1447, 1742, 2894, 3484, 4355, 5788, 7235, 8710, 14470, 17420, 18811, 28940, 37622, 75244, 94055, 96949, 188110, 193898, 376220, 387796, 484745, 969490, 1260337, 1938980, 2520674, 5041348, 6301685, 12603370, 25206740]

約数ペア:

[(1, 25206740), (2, 12603370), (4, 6301685), (5, 5041348), (10, 2520674), (13, 1938980), (20, 1260337), (26, 969490), (52, 484745), (65, 387796), (67, 376220), (130, 193898), (134, 188110), (260, 96949), (268, 94055), (335, 75244), (670, 37622), (871, 28940), (1340, 18811), (1447, 17420), (1742, 14470), (2894, 8710), (3484, 7235), (4355, 5788)]