25994920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{353}}^1$

素因数の和:634

約数の個数: 64

約数和(自身を含む): 67288320

約数和(自身を除く): 41293400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 263, 280, 353, 526, 706, 1052, 1315, 1412, 1765, 1841, 2104, 2471, 2630, 2824, 3530, 3682, 4942, 5260, 7060, 7364, 9205, 9884, 10520, 12355, 14120, 14728, 18410, 19768, 24710, 36820, 49420, 73640, 92839, 98840, 185678, 371356, 464195, 649873, 742712, 928390, 1299746, 1856780, 2599492, 3249365, 3713560, 5198984, 6498730, 12997460, 25994920]

約数ペア:

[(1, 25994920), (2, 12997460), (4, 6498730), (5, 5198984), (7, 3713560), (8, 3249365), (10, 2599492), (14, 1856780), (20, 1299746), (28, 928390), (35, 742712), (40, 649873), (56, 464195), (70, 371356), (140, 185678), (263, 98840), (280, 92839), (353, 73640), (526, 49420), (706, 36820), (1052, 24710), (1315, 19768), (1412, 18410), (1765, 14728), (1841, 14120), (2104, 12355), (2471, 10520), (2630, 9884), (2824, 9205), (3530, 7364), (3682, 7060), (4942, 5260)]