16160820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20719}}^1$

素因数の和:20744

約数の個数: 48

約数和(自身を含む): 48733440

約数和(自身を除く): 32572620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 20719, 41438, 62157, 82876, 103595, 124314, 207190, 248628, 269347, 310785, 414380, 538694, 621570, 808041, 1077388, 1243140, 1346735, 1616082, 2693470, 3232164, 4040205, 5386940, 8080410, 16160820]

約数ペア:

[(1, 16160820), (2, 8080410), (3, 5386940), (4, 4040205), (5, 3232164), (6, 2693470), (10, 1616082), (12, 1346735), (13, 1243140), (15, 1077388), (20, 808041), (26, 621570), (30, 538694), (39, 414380), (52, 310785), (60, 269347), (65, 248628), (78, 207190), (130, 124314), (156, 103595), (195, 82876), (260, 62157), (390, 41438), (780, 20719)]