88870640

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{5639}}^1$

素因数の和:5849

約数の個数: 40

約数和(自身を含む): 207709920

約数和(自身を除く): 118839280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 5639, 7880, 11278, 15760, 22556, 28195, 45112, 56390, 90224, 112780, 225560, 451120, 1110883, 2221766, 4443532, 5554415, 8887064, 11108830, 17774128, 22217660, 44435320, 88870640]

約数ペア:

[(1, 88870640), (2, 44435320), (4, 22217660), (5, 17774128), (8, 11108830), (10, 8887064), (16, 5554415), (20, 4443532), (40, 2221766), (80, 1110883), (197, 451120), (394, 225560), (788, 112780), (985, 90224), (1576, 56390), (1970, 45112), (3152, 28195), (3940, 22556), (5639, 15760), (7880, 11278)]