28839280

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9743}}^1$

素因数の和:9793

約数の個数: 40

約数和(自身を含む): 68870592

約数和(自身を除く): 40031312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 9743, 19486, 38972, 48715, 77944, 97430, 155888, 194860, 360491, 389720, 720982, 779440, 1441964, 1802455, 2883928, 3604910, 5767856, 7209820, 14419640, 28839280]

約数ペア:

[(1, 28839280), (2, 14419640), (4, 7209820), (5, 5767856), (8, 3604910), (10, 2883928), (16, 1802455), (20, 1441964), (37, 779440), (40, 720982), (74, 389720), (80, 360491), (148, 194860), (185, 155888), (296, 97430), (370, 77944), (592, 48715), (740, 38972), (1480, 19486), (2960, 9743)]