25430320

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1319}}^1$

素因数の和:1573

約数の個数: 40

約数和(自身を含む): 59415840

約数和(自身を除く): 33985520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 964, 1205, 1319, 1928, 2410, 2638, 3856, 4820, 5276, 6595, 9640, 10552, 13190, 19280, 21104, 26380, 52760, 105520, 317879, 635758, 1271516, 1589395, 2543032, 3178790, 5086064, 6357580, 12715160, 25430320]

約数ペア:

[(1, 25430320), (2, 12715160), (4, 6357580), (5, 5086064), (8, 3178790), (10, 2543032), (16, 1589395), (20, 1271516), (40, 635758), (80, 317879), (241, 105520), (482, 52760), (964, 26380), (1205, 21104), (1319, 19280), (1928, 13190), (2410, 10552), (2638, 9640), (3856, 6595), (4820, 5276)]