40807856

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{23399}}^1$

素因数の和:23516

約数の個数: 20

約数和(自身を含む): 79794000

約数和(自身を除く): 38986144

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 23399, 46798, 93596, 187192, 374384, 2550491, 5100982, 10201964, 20403928, 40807856]

約数ペア:

[(1, 40807856), (2, 20403928), (4, 10201964), (8, 5100982), (16, 2550491), (109, 374384), (218, 187192), (436, 93596), (872, 46798), (1744, 23399)]