13278329840

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{744301}}^1$

素因数の和:744537

約数の個数: 40

約数和(自身を含む): 31010598528

約数和(自身を除く): 17732268688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1115, 1784, 2230, 3568, 4460, 8920, 17840, 744301, 1488602, 2977204, 3721505, 5954408, 7443010, 11908816, 14886020, 29772040, 59544080, 165979123, 331958246, 663916492, 829895615, 1327832984, 1659791230, 2655665968, 3319582460, 6639164920, 13278329840]

約数ペア:

[(1, 13278329840), (2, 6639164920), (4, 3319582460), (5, 2655665968), (8, 1659791230), (10, 1327832984), (16, 829895615), (20, 663916492), (40, 331958246), (80, 165979123), (223, 59544080), (446, 29772040), (892, 14886020), (1115, 11908816), (1784, 7443010), (2230, 5954408), (3568, 3721505), (4460, 2977204), (8920, 1488602), (17840, 744301)]