13385440

素因数分解:

$2^5\times 5^1\times {\mathrm{269}}^1\times {\mathrm{311}}^1$

素因数の和:595

約数の個数: 48

約数和(自身を含む): 31842720

約数和(自身を除く): 18457280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 269, 311, 538, 622, 1076, 1244, 1345, 1555, 2152, 2488, 2690, 3110, 4304, 4976, 5380, 6220, 8608, 9952, 10760, 12440, 21520, 24880, 43040, 49760, 83659, 167318, 334636, 418295, 669272, 836590, 1338544, 1673180, 2677088, 3346360, 6692720, 13385440]

約数ペア:

[(1, 13385440), (2, 6692720), (4, 3346360), (5, 2677088), (8, 1673180), (10, 1338544), (16, 836590), (20, 669272), (32, 418295), (40, 334636), (80, 167318), (160, 83659), (269, 49760), (311, 43040), (538, 24880), (622, 21520), (1076, 12440), (1244, 10760), (1345, 9952), (1555, 8608), (2152, 6220), (2488, 5380), (2690, 4976), (3110, 4304)]