80404048

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{264487}}^1$

素因数の和:264514

約数の個数: 20

約数和(自身を含む): 163982560

約数和(自身を除く): 83578512

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 264487, 528974, 1057948, 2115896, 4231792, 5025253, 10050506, 20101012, 40202024, 80404048]

約数ペア:

[(1, 80404048), (2, 40202024), (4, 20101012), (8, 10050506), (16, 5025253), (19, 4231792), (38, 2115896), (76, 1057948), (152, 528974), (304, 264487)]