57991640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{207113}}^1$

素因数の和:207131

約数の個数: 32

約数和(自身を含む): 149122080

約数和(自身を除く): 91130440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 207113, 414226, 828452, 1035565, 1449791, 1656904, 2071130, 2899582, 4142260, 5799164, 7248955, 8284520, 11598328, 14497910, 28995820, 57991640]

約数ペア:

[(1, 57991640), (2, 28995820), (4, 14497910), (5, 11598328), (7, 8284520), (8, 7248955), (10, 5799164), (14, 4142260), (20, 2899582), (28, 2071130), (35, 1656904), (40, 1449791), (56, 1035565), (70, 828452), (140, 414226), (280, 207113)]