259588520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{138079}}^1$

素因数の和:138137

約数の個数: 32

約数和(自身を含む): 596505600

約数和(自身を除く): 336917080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 138079, 276158, 552316, 690395, 1104632, 1380790, 2761580, 5523160, 6489713, 12979426, 25958852, 32448565, 51917704, 64897130, 129794260, 259588520]

約数ペア:

[(1, 259588520), (2, 129794260), (4, 64897130), (5, 51917704), (8, 32448565), (10, 25958852), (20, 12979426), (40, 6489713), (47, 5523160), (94, 2761580), (188, 1380790), (235, 1104632), (376, 690395), (470, 552316), (940, 276158), (1880, 138079)]