64344340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3253}}^1$

素因数の和:3328

約数の個数: 48

約数和(自身を含む): 144321408

約数和(自身を除く): 79977068

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1978, 3253, 3956, 4945, 6506, 9890, 13012, 16265, 19780, 32530, 65060, 74819, 139879, 149638, 279758, 299276, 374095, 559516, 699395, 748190, 1398790, 1496380, 2797580, 3217217, 6434434, 12868868, 16086085, 32172170, 64344340]

約数ペア:

[(1, 64344340), (2, 32172170), (4, 16086085), (5, 12868868), (10, 6434434), (20, 3217217), (23, 2797580), (43, 1496380), (46, 1398790), (86, 748190), (92, 699395), (115, 559516), (172, 374095), (215, 299276), (230, 279758), (430, 149638), (460, 139879), (860, 74819), (989, 65060), (1978, 32530), (3253, 19780), (3956, 16265), (4945, 13012), (6506, 9890)]