25421560

素因数分解:

$2^3\times 5^1\times {\mathrm{599}}^1\times {\mathrm{1061}}^1$

素因数の和:1671

約数の個数: 32

約数和(自身を含む): 57348000

約数和(自身を除く): 31926440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 599, 1061, 1198, 2122, 2396, 2995, 4244, 4792, 5305, 5990, 8488, 10610, 11980, 21220, 23960, 42440, 635539, 1271078, 2542156, 3177695, 5084312, 6355390, 12710780, 25421560]

約数ペア:

[(1, 25421560), (2, 12710780), (4, 6355390), (5, 5084312), (8, 3177695), (10, 2542156), (20, 1271078), (40, 635539), (599, 42440), (1061, 23960), (1198, 21220), (2122, 11980), (2396, 10610), (2995, 8488), (4244, 5990), (4792, 5305)]