39820048

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{130987}}^1$

素因数の和:131014

約数の個数: 20

約数和(自身を含む): 81212560

約数和(自身を除く): 41392512

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 130987, 261974, 523948, 1047896, 2095792, 2488753, 4977506, 9955012, 19910024, 39820048]

約数ペア:

[(1, 39820048), (2, 19910024), (4, 9955012), (8, 4977506), (16, 2488753), (19, 2095792), (38, 1047896), (76, 523948), (152, 261974), (304, 130987)]