80521360

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{5623}}^1$

素因数の和:5815

約数の個数: 40

約数和(自身を含む): 188291520

約数和(自身を除く): 107770160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 716, 895, 1432, 1790, 2864, 3580, 5623, 7160, 11246, 14320, 22492, 28115, 44984, 56230, 89968, 112460, 224920, 449840, 1006517, 2013034, 4026068, 5032585, 8052136, 10065170, 16104272, 20130340, 40260680, 80521360]

約数ペア:

[(1, 80521360), (2, 40260680), (4, 20130340), (5, 16104272), (8, 10065170), (10, 8052136), (16, 5032585), (20, 4026068), (40, 2013034), (80, 1006517), (179, 449840), (358, 224920), (716, 112460), (895, 89968), (1432, 56230), (1790, 44984), (2864, 28115), (3580, 22492), (5623, 14320), (7160, 11246)]