13013920

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{499}}^1$

素因数の和:677

約数の個数: 48

約数和(自身を含む): 30996000

約数和(自身を除く): 17982080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 499, 652, 815, 998, 1304, 1630, 1996, 2495, 2608, 3260, 3992, 4990, 5216, 6520, 7984, 9980, 13040, 15968, 19960, 26080, 39920, 79840, 81337, 162674, 325348, 406685, 650696, 813370, 1301392, 1626740, 2602784, 3253480, 6506960, 13013920]

約数ペア:

[(1, 13013920), (2, 6506960), (4, 3253480), (5, 2602784), (8, 1626740), (10, 1301392), (16, 813370), (20, 650696), (32, 406685), (40, 325348), (80, 162674), (160, 81337), (163, 79840), (326, 39920), (499, 26080), (652, 19960), (815, 15968), (998, 13040), (1304, 9980), (1630, 7984), (1996, 6520), (2495, 5216), (2608, 4990), (3260, 3992)]