13277840

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{617}}^1$

素因数の和:899

約数の個数: 40

約数和(自身を含む): 31035960

約数和(自身を除く): 17758120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 617, 1076, 1234, 1345, 2152, 2468, 2690, 3085, 4304, 4936, 5380, 6170, 9872, 10760, 12340, 21520, 24680, 49360, 165973, 331946, 663892, 829865, 1327784, 1659730, 2655568, 3319460, 6638920, 13277840]

約数ペア:

[(1, 13277840), (2, 6638920), (4, 3319460), (5, 2655568), (8, 1659730), (10, 1327784), (16, 829865), (20, 663892), (40, 331946), (80, 165973), (269, 49360), (538, 24680), (617, 21520), (1076, 12340), (1234, 10760), (1345, 9872), (2152, 6170), (2468, 5380), (2690, 4936), (3085, 4304)]