25795760

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3623}}^1$

素因数の和:3725

約数の個数: 40

約数和(自身を含む): 60665760

約数和(自身を除く): 34870000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 3623, 7120, 7246, 14492, 18115, 28984, 36230, 57968, 72460, 144920, 289840, 322447, 644894, 1289788, 1612235, 2579576, 3224470, 5159152, 6448940, 12897880, 25795760]

約数ペア:

[(1, 25795760), (2, 12897880), (4, 6448940), (5, 5159152), (8, 3224470), (10, 2579576), (16, 1612235), (20, 1289788), (40, 644894), (80, 322447), (89, 289840), (178, 144920), (356, 72460), (445, 57968), (712, 36230), (890, 28984), (1424, 18115), (1780, 14492), (3560, 7246), (3623, 7120)]