25542760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20599}}^1$

素因数の和:20641

約数の個数: 32

約数和(自身を含む): 59328000

約数和(自身を除く): 33785240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 20599, 41198, 82396, 102995, 164792, 205990, 411980, 638569, 823960, 1277138, 2554276, 3192845, 5108552, 6385690, 12771380, 25542760]

約数ペア:

[(1, 25542760), (2, 12771380), (4, 6385690), (5, 5108552), (8, 3192845), (10, 2554276), (20, 1277138), (31, 823960), (40, 638569), (62, 411980), (124, 205990), (155, 164792), (248, 102995), (310, 82396), (620, 41198), (1240, 20599)]