67700020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{82561}}^1$

素因数の和:82611

約数の個数: 24

約数和(自身を含む): 145639368

約数和(自身を除く): 77939348

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 82561, 165122, 330244, 412805, 825610, 1651220, 3385001, 6770002, 13540004, 16925005, 33850010, 67700020]

約数ペア:

[(1, 67700020), (2, 33850010), (4, 16925005), (5, 13540004), (10, 6770002), (20, 3385001), (41, 1651220), (82, 825610), (164, 412805), (205, 330244), (410, 165122), (820, 82561)]