15693481460

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{397}}^1\times {\mathrm{5081}}^1$

素因数の和:5876

約数の個数: 48

約数和(自身を含む): 33130777680

約数和(自身を除く): 17437296220

約数列:

[1, 2, 4, 5, 10, 20, 389, 397, 778, 794, 1556, 1588, 1945, 1985, 3890, 3970, 5081, 7780, 7940, 10162, 20324, 25405, 50810, 101620, 154433, 308866, 617732, 772165, 1544330, 1976509, 2017157, 3088660, 3953018, 4034314, 7906036, 8068628, 9882545, 10085785, 19765090, 20171570, 39530180, 40343140, 784674073, 1569348146, 3138696292, 3923370365, 7846740730, 15693481460]

約数ペア:

[(1, 15693481460), (2, 7846740730), (4, 3923370365), (5, 3138696292), (10, 1569348146), (20, 784674073), (389, 40343140), (397, 39530180), (778, 20171570), (794, 19765090), (1556, 10085785), (1588, 9882545), (1945, 8068628), (1985, 7906036), (3890, 4034314), (3970, 3953018), (5081, 3088660), (7780, 2017157), (7940, 1976509), (10162, 1544330), (20324, 772165), (25405, 617732), (50810, 308866), (101620, 154433)]