25321568

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{523}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 53479440

約数和(自身を除く): 28157872

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 89, 136, 178, 272, 356, 523, 544, 712, 1046, 1424, 1513, 2092, 2848, 3026, 4184, 6052, 8368, 8891, 12104, 16736, 17782, 24208, 35564, 46547, 48416, 71128, 93094, 142256, 186188, 284512, 372376, 744752, 791299, 1489504, 1582598, 3165196, 6330392, 12660784, 25321568]

約数ペア:

[(1, 25321568), (2, 12660784), (4, 6330392), (8, 3165196), (16, 1582598), (17, 1489504), (32, 791299), (34, 744752), (68, 372376), (89, 284512), (136, 186188), (178, 142256), (272, 93094), (356, 71128), (523, 48416), (544, 46547), (712, 35564), (1046, 24208), (1424, 17782), (1513, 16736), (2092, 12104), (2848, 8891), (3026, 8368), (4184, 6052)]