68413840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{77743}}^1$

素因数の和:77767

約数の個数: 40

約数和(自身を含む): 173524608

約数和(自身を除く): 105110768

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 77743, 155486, 310972, 388715, 621944, 777430, 855173, 1243888, 1554860, 1710346, 3109720, 3420692, 4275865, 6219440, 6841384, 8551730, 13682768, 17103460, 34206920, 68413840]

約数ペア:

[(1, 68413840), (2, 34206920), (4, 17103460), (5, 13682768), (8, 8551730), (10, 6841384), (11, 6219440), (16, 4275865), (20, 3420692), (22, 3109720), (40, 1710346), (44, 1554860), (55, 1243888), (80, 855173), (88, 777430), (110, 621944), (176, 388715), (220, 310972), (440, 155486), (880, 77743)]