68824240

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20983}}^1$

素因数の和:21037

約数の個数: 40

約数和(自身を含む): 163927008

約数和(自身を除く): 95102768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 20983, 41966, 83932, 104915, 167864, 209830, 335728, 419660, 839320, 860303, 1678640, 1720606, 3441212, 4301515, 6882424, 8603030, 13764848, 17206060, 34412120, 68824240]

約数ペア:

[(1, 68824240), (2, 34412120), (4, 17206060), (5, 13764848), (8, 8603030), (10, 6882424), (16, 4301515), (20, 3441212), (40, 1720606), (41, 1678640), (80, 860303), (82, 839320), (164, 419660), (205, 335728), (328, 209830), (410, 167864), (656, 104915), (820, 83932), (1640, 41966), (3280, 20983)]