67702480

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20641}}^1$

素因数の和:20695

約数の個数: 40

約数和(自身を含む): 161255304

約数和(自身を除く): 93552824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 20641, 41282, 82564, 103205, 165128, 206410, 330256, 412820, 825640, 846281, 1651280, 1692562, 3385124, 4231405, 6770248, 8462810, 13540496, 16925620, 33851240, 67702480]

約数ペア:

[(1, 67702480), (2, 33851240), (4, 16925620), (5, 13540496), (8, 8462810), (10, 6770248), (16, 4231405), (20, 3385124), (40, 1692562), (41, 1651280), (80, 846281), (82, 825640), (164, 412820), (205, 330256), (328, 206410), (410, 165128), (656, 103205), (820, 82564), (1640, 41282), (3280, 20641)]