25120256

素因数分解:

$2^9\times 7^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:231

約数の個数: 80

約数和(自身を含む): 59055744

約数和(自身を除く): 33935488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 64, 86, 112, 128, 163, 172, 224, 256, 301, 326, 344, 448, 512, 602, 652, 688, 896, 1141, 1204, 1304, 1376, 1792, 2282, 2408, 2608, 2752, 3584, 4564, 4816, 5216, 5504, 7009, 9128, 9632, 10432, 11008, 14018, 18256, 19264, 20864, 22016, 28036, 36512, 38528, 41728, 49063, 56072, 73024, 77056, 83456, 98126, 112144, 146048, 154112, 196252, 224288, 292096, 392504, 448576, 584192, 785008, 897152, 1570016, 1794304, 3140032, 3588608, 6280064, 12560128, 25120256]

約数ペア:

[(1, 25120256), (2, 12560128), (4, 6280064), (7, 3588608), (8, 3140032), (14, 1794304), (16, 1570016), (28, 897152), (32, 785008), (43, 584192), (56, 448576), (64, 392504), (86, 292096), (112, 224288), (128, 196252), (163, 154112), (172, 146048), (224, 112144), (256, 98126), (301, 83456), (326, 77056), (344, 73024), (448, 56072), (512, 49063), (602, 41728), (652, 38528), (688, 36512), (896, 28036), (1141, 22016), (1204, 20864), (1304, 19264), (1376, 18256), (1792, 14018), (2282, 11008), (2408, 10432), (2608, 9632), (2752, 9128), (3584, 7009), (4564, 5504), (4816, 5216)]