51336440

素因数分解:

$2^3\times 5^1\times {\mathrm{673}}^1\times {\mathrm{1907}}^1$

素因数の和:2591

約数の個数: 32

約数和(自身を含む): 115739280

約数和(自身を除く): 64402840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 673, 1346, 1907, 2692, 3365, 3814, 5384, 6730, 7628, 9535, 13460, 15256, 19070, 26920, 38140, 76280, 1283411, 2566822, 5133644, 6417055, 10267288, 12834110, 25668220, 51336440]

約数ペア:

[(1, 51336440), (2, 25668220), (4, 12834110), (5, 10267288), (8, 6417055), (10, 5133644), (20, 2566822), (40, 1283411), (673, 76280), (1346, 38140), (1907, 26920), (2692, 19070), (3365, 15256), (3814, 13460), (5384, 9535), (6730, 7628)]