25101740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{277}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 55484352

約数和(自身を除く): 30382612

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 197, 230, 277, 394, 460, 554, 788, 985, 1108, 1385, 1970, 2770, 3940, 4531, 5540, 6371, 9062, 12742, 18124, 22655, 25484, 31855, 45310, 54569, 63710, 90620, 109138, 127420, 218276, 272845, 545690, 1091380, 1255087, 2510174, 5020348, 6275435, 12550870, 25101740]

約数ペア:

[(1, 25101740), (2, 12550870), (4, 6275435), (5, 5020348), (10, 2510174), (20, 1255087), (23, 1091380), (46, 545690), (92, 272845), (115, 218276), (197, 127420), (230, 109138), (277, 90620), (394, 63710), (460, 54569), (554, 45310), (788, 31855), (985, 25484), (1108, 22655), (1385, 18124), (1970, 12742), (2770, 9062), (3940, 6371), (4531, 5540)]