40689904

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{37957}}^1$

素因数の和:38032

約数の個数: 20

約数和(自身を含む): 80015464

約数和(自身を除く): 39325560

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 37957, 75914, 151828, 303656, 607312, 2543119, 5086238, 10172476, 20344952, 40689904]

約数ペア:

[(1, 40689904), (2, 20344952), (4, 10172476), (8, 5086238), (16, 2543119), (67, 607312), (134, 303656), (268, 151828), (536, 75914), (1072, 37957)]