28135520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{25121}}^1$

素因数の和:25143

約数の個数: 48

約数和(自身を含む): 75968928

約数和(自身を除く): 47833408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 25121, 50242, 100484, 125605, 175847, 200968, 251210, 351694, 401936, 502420, 703388, 803872, 879235, 1004840, 1406776, 1758470, 2009680, 2813552, 3516940, 4019360, 5627104, 7033880, 14067760, 28135520]

約数ペア:

[(1, 28135520), (2, 14067760), (4, 7033880), (5, 5627104), (7, 4019360), (8, 3516940), (10, 2813552), (14, 2009680), (16, 1758470), (20, 1406776), (28, 1004840), (32, 879235), (35, 803872), (40, 703388), (56, 502420), (70, 401936), (80, 351694), (112, 251210), (140, 200968), (160, 175847), (224, 125605), (280, 100484), (560, 50242), (1120, 25121)]