25710820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{457}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 56553840

約数和(自身を除く): 30843020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 97, 116, 145, 194, 290, 388, 457, 485, 580, 914, 970, 1828, 1940, 2285, 2813, 4570, 5626, 9140, 11252, 13253, 14065, 26506, 28130, 44329, 53012, 56260, 66265, 88658, 132530, 177316, 221645, 265060, 443290, 886580, 1285541, 2571082, 5142164, 6427705, 12855410, 25710820]

約数ペア:

[(1, 25710820), (2, 12855410), (4, 6427705), (5, 5142164), (10, 2571082), (20, 1285541), (29, 886580), (58, 443290), (97, 265060), (116, 221645), (145, 177316), (194, 132530), (290, 88658), (388, 66265), (457, 56260), (485, 53012), (580, 44329), (914, 28130), (970, 26506), (1828, 14065), (1940, 13253), (2285, 11252), (2813, 9140), (4570, 5626)]