51027760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{91121}}^1$

素因数の和:91141

約数の個数: 40

約数和(自身を含む): 135589536

約数和(自身を除く): 84561776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 91121, 182242, 364484, 455605, 637847, 728968, 911210, 1275694, 1457936, 1822420, 2551388, 3189235, 3644840, 5102776, 6378470, 7289680, 10205552, 12756940, 25513880, 51027760]

約数ペア:

[(1, 51027760), (2, 25513880), (4, 12756940), (5, 10205552), (7, 7289680), (8, 6378470), (10, 5102776), (14, 3644840), (16, 3189235), (20, 2551388), (28, 1822420), (35, 1457936), (40, 1275694), (56, 911210), (70, 728968), (80, 637847), (112, 455605), (140, 364484), (280, 182242), (560, 91121)]