99370720

素因数分解:

$2^5\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1997}}^1$

素因数の和:2323

約数の個数: 48

約数和(自身を含む): 235636128

約数和(自身を除く): 136265408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 311, 622, 1244, 1555, 1997, 2488, 3110, 3994, 4976, 6220, 7988, 9952, 9985, 12440, 15976, 19970, 24880, 31952, 39940, 49760, 63904, 79880, 159760, 319520, 621067, 1242134, 2484268, 3105335, 4968536, 6210670, 9937072, 12421340, 19874144, 24842680, 49685360, 99370720]

約数ペア:

[(1, 99370720), (2, 49685360), (4, 24842680), (5, 19874144), (8, 12421340), (10, 9937072), (16, 6210670), (20, 4968536), (32, 3105335), (40, 2484268), (80, 1242134), (160, 621067), (311, 319520), (622, 159760), (1244, 79880), (1555, 63904), (1997, 49760), (2488, 39940), (3110, 31952), (3994, 24880), (4976, 19970), (6220, 15976), (7988, 12440), (9952, 9985)]