199166080

素因数分解:

$2^7\times 5^1\times {\mathrm{311197}}^1$

素因数の和:311216

約数の個数: 32

約数和(自身を含む): 476132940

約数和(自身を除く): 276966860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 311197, 622394, 1244788, 1555985, 2489576, 3111970, 4979152, 6223940, 9958304, 12447880, 19916608, 24895760, 39833216, 49791520, 99583040, 199166080]

約数ペア:

[(1, 199166080), (2, 99583040), (4, 49791520), (5, 39833216), (8, 24895760), (10, 19916608), (16, 12447880), (20, 9958304), (32, 6223940), (40, 4979152), (64, 3111970), (80, 2489576), (128, 1555985), (160, 1244788), (320, 622394), (640, 311197)]