68225680

素因数分解:

$2^4\times 5^1\times {\mathrm{769}}^1\times {\mathrm{1109}}^1$

素因数の和:1891

約数の個数: 40

約数和(自身を含む): 158974200

約数和(自身を除く): 90748520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 769, 1109, 1538, 2218, 3076, 3845, 4436, 5545, 6152, 7690, 8872, 11090, 12304, 15380, 17744, 22180, 30760, 44360, 61520, 88720, 852821, 1705642, 3411284, 4264105, 6822568, 8528210, 13645136, 17056420, 34112840, 68225680]

約数ペア:

[(1, 68225680), (2, 34112840), (4, 17056420), (5, 13645136), (8, 8528210), (10, 6822568), (16, 4264105), (20, 3411284), (40, 1705642), (80, 852821), (769, 88720), (1109, 61520), (1538, 44360), (2218, 30760), (3076, 22180), (3845, 17744), (4436, 15380), (5545, 12304), (6152, 11090), (7690, 8872)]