25716920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{641}}^1$

素因数の和:728

約数の個数: 64

約数和(自身を含む): 62402400

約数和(自身を除く): 36685480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 59, 68, 85, 118, 136, 170, 236, 295, 340, 472, 590, 641, 680, 1003, 1180, 1282, 2006, 2360, 2564, 3205, 4012, 5015, 5128, 6410, 8024, 10030, 10897, 12820, 20060, 21794, 25640, 37819, 40120, 43588, 54485, 75638, 87176, 108970, 151276, 189095, 217940, 302552, 378190, 435880, 642923, 756380, 1285846, 1512760, 2571692, 3214615, 5143384, 6429230, 12858460, 25716920]

約数ペア:

[(1, 25716920), (2, 12858460), (4, 6429230), (5, 5143384), (8, 3214615), (10, 2571692), (17, 1512760), (20, 1285846), (34, 756380), (40, 642923), (59, 435880), (68, 378190), (85, 302552), (118, 217940), (136, 189095), (170, 151276), (236, 108970), (295, 87176), (340, 75638), (472, 54485), (590, 43588), (641, 40120), (680, 37819), (1003, 25640), (1180, 21794), (1282, 20060), (2006, 12820), (2360, 10897), (2564, 10030), (3205, 8024), (4012, 6410), (5015, 5128)]