8077840

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2729}}^1$

素因数の和:2779

約数の個数: 40

約数和(自身を含む): 19295640

約数和(自身を除く): 11217800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2729, 2960, 5458, 10916, 13645, 21832, 27290, 43664, 54580, 100973, 109160, 201946, 218320, 403892, 504865, 807784, 1009730, 1615568, 2019460, 4038920, 8077840]

約数ペア:

[(1, 8077840), (2, 4038920), (4, 2019460), (5, 1615568), (8, 1009730), (10, 807784), (16, 504865), (20, 403892), (37, 218320), (40, 201946), (74, 109160), (80, 100973), (148, 54580), (185, 43664), (296, 27290), (370, 21832), (592, 13645), (740, 10916), (1480, 5458), (2729, 2960)]