25016120

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7027}}^1$

素因数の和:7127

約数の個数: 32

約数和(自身を含む): 56926800

約数和(自身を除く): 31910680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 7027, 14054, 28108, 35135, 56216, 70270, 140540, 281080, 625403, 1250806, 2501612, 3127015, 5003224, 6254030, 12508060, 25016120]

約数ペア:

[(1, 25016120), (2, 12508060), (4, 6254030), (5, 5003224), (8, 3127015), (10, 2501612), (20, 1250806), (40, 625403), (89, 281080), (178, 140540), (356, 70270), (445, 56216), (712, 35135), (890, 28108), (1780, 14054), (3560, 7027)]