40981328

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{134807}}^1$

素因数の和:134834

約数の個数: 20

約数和(自身を含む): 83580960

約数和(自身を除く): 42599632

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 134807, 269614, 539228, 1078456, 2156912, 2561333, 5122666, 10245332, 20490664, 40981328]

約数ペア:

[(1, 40981328), (2, 20490664), (4, 10245332), (8, 5122666), (16, 2561333), (19, 2156912), (38, 1078456), (76, 539228), (152, 269614), (304, 134807)]