25714680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{509}}^1$

素因数の和:944

約数の個数: 64

約数和(自身を含む): 77479200

約数和(自身を除く): 51764520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 421, 509, 842, 1018, 1263, 1527, 1684, 2036, 2105, 2526, 2545, 3054, 3368, 4072, 4210, 5052, 5090, 6108, 6315, 7635, 8420, 10104, 10180, 12216, 12630, 15270, 16840, 20360, 25260, 30540, 50520, 61080, 214289, 428578, 642867, 857156, 1071445, 1285734, 1714312, 2142890, 2571468, 3214335, 4285780, 5142936, 6428670, 8571560, 12857340, 25714680]

約数ペア:

[(1, 25714680), (2, 12857340), (3, 8571560), (4, 6428670), (5, 5142936), (6, 4285780), (8, 3214335), (10, 2571468), (12, 2142890), (15, 1714312), (20, 1285734), (24, 1071445), (30, 857156), (40, 642867), (60, 428578), (120, 214289), (421, 61080), (509, 50520), (842, 30540), (1018, 25260), (1263, 20360), (1527, 16840), (1684, 15270), (2036, 12630), (2105, 12216), (2526, 10180), (2545, 10104), (3054, 8420), (3368, 7635), (4072, 6315), (4210, 6108), (5052, 5090)]