68493440

素因数分解:

$2^7\times 5^1\times {\mathrm{107021}}^1$

素因数の和:107040

約数の個数: 32

約数和(自身を含む): 163743660

約数和(自身を除く): 95250220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 107021, 214042, 428084, 535105, 856168, 1070210, 1712336, 2140420, 3424672, 4280840, 6849344, 8561680, 13698688, 17123360, 34246720, 68493440]

約数ペア:

[(1, 68493440), (2, 34246720), (4, 17123360), (5, 13698688), (8, 8561680), (10, 6849344), (16, 4280840), (20, 3424672), (32, 2140420), (40, 1712336), (64, 1070210), (80, 856168), (128, 535105), (160, 428084), (320, 214042), (640, 107021)]