25918976

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 80

約数和(自身を含む): 56567808

約数和(自身を除く): 30648832

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 62, 64, 71, 92, 124, 128, 142, 184, 248, 256, 284, 368, 496, 512, 568, 713, 736, 992, 1136, 1426, 1472, 1633, 1984, 2201, 2272, 2852, 2944, 3266, 3968, 4402, 4544, 5704, 5888, 6532, 7936, 8804, 9088, 11408, 11776, 13064, 15872, 17608, 18176, 22816, 26128, 35216, 36352, 45632, 50623, 52256, 70432, 91264, 101246, 104512, 140864, 182528, 202492, 209024, 281728, 365056, 404984, 418048, 563456, 809968, 836096, 1126912, 1619936, 3239872, 6479744, 12959488, 25918976]

約数ペア:

[(1, 25918976), (2, 12959488), (4, 6479744), (8, 3239872), (16, 1619936), (23, 1126912), (31, 836096), (32, 809968), (46, 563456), (62, 418048), (64, 404984), (71, 365056), (92, 281728), (124, 209024), (128, 202492), (142, 182528), (184, 140864), (248, 104512), (256, 101246), (284, 91264), (368, 70432), (496, 52256), (512, 50623), (568, 45632), (713, 36352), (736, 35216), (992, 26128), (1136, 22816), (1426, 18176), (1472, 17608), (1633, 15872), (1984, 13064), (2201, 11776), (2272, 11408), (2852, 9088), (2944, 8804), (3266, 7936), (3968, 6532), (4402, 5888), (4544, 5704)]