124358720

素因数分解:

$2^6\times 5^1\times {\mathrm{388621}}^1$

素因数の和:388638

約数の個数: 28

約数和(自身を含む): 296129964

約数和(自身を除く): 171771244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 388621, 777242, 1554484, 1943105, 3108968, 3886210, 6217936, 7772420, 12435872, 15544840, 24871744, 31089680, 62179360, 124358720]

約数ペア:

[(1, 124358720), (2, 62179360), (4, 31089680), (5, 24871744), (8, 15544840), (10, 12435872), (16, 7772420), (20, 6217936), (32, 3886210), (40, 3108968), (64, 1943105), (80, 1554484), (160, 777242), (320, 388621)]