28057840

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9479}}^1$

素因数の和:9529

約数の個数: 40

約数和(自身を含む): 67004640

約数和(自身を除く): 38946800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 9479, 18958, 37916, 47395, 75832, 94790, 151664, 189580, 350723, 379160, 701446, 758320, 1402892, 1753615, 2805784, 3507230, 5611568, 7014460, 14028920, 28057840]

約数ペア:

[(1, 28057840), (2, 14028920), (4, 7014460), (5, 5611568), (8, 3507230), (10, 2805784), (16, 1753615), (20, 1402892), (37, 758320), (40, 701446), (74, 379160), (80, 350723), (148, 189580), (185, 151664), (296, 94790), (370, 75832), (592, 47395), (740, 37916), (1480, 18958), (2960, 9479)]