25205530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{907}}^1$

素因数の和:1318

約数の個数: 32

約数和(自身を含む): 52039296

約数和(自身を除く): 26833766

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 397, 794, 907, 1814, 1985, 2779, 3970, 4535, 5558, 6349, 9070, 12698, 13895, 27790, 31745, 63490, 360079, 720158, 1800395, 2520553, 3600790, 5041106, 12602765, 25205530]

約数ペア:

[(1, 25205530), (2, 12602765), (5, 5041106), (7, 3600790), (10, 2520553), (14, 1800395), (35, 720158), (70, 360079), (397, 63490), (794, 31745), (907, 27790), (1814, 13895), (1985, 12698), (2779, 9070), (3970, 6349), (4535, 5558)]