8288540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 19051200

約数和(自身を除く): 10762660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 449, 710, 898, 923, 1420, 1796, 1846, 2245, 3692, 4490, 4615, 5837, 8980, 9230, 11674, 18460, 23348, 29185, 31879, 58370, 63758, 116740, 127516, 159395, 318790, 414427, 637580, 828854, 1657708, 2072135, 4144270, 8288540]

約数ペア:

[(1, 8288540), (2, 4144270), (4, 2072135), (5, 1657708), (10, 828854), (13, 637580), (20, 414427), (26, 318790), (52, 159395), (65, 127516), (71, 116740), (130, 63758), (142, 58370), (260, 31879), (284, 29185), (355, 23348), (449, 18460), (710, 11674), (898, 9230), (923, 8980), (1420, 5837), (1796, 4615), (1846, 4490), (2245, 3692)]