81506020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{1061}}^1$

素因数の和:1260

約数の個数: 48

約数和(自身を含む): 179843328

約数和(自身を除く): 98337308

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 167, 230, 334, 460, 668, 835, 1061, 1670, 2122, 3340, 3841, 4244, 5305, 7682, 10610, 15364, 19205, 21220, 24403, 38410, 48806, 76820, 97612, 122015, 177187, 244030, 354374, 488060, 708748, 885935, 1771870, 3543740, 4075301, 8150602, 16301204, 20376505, 40753010, 81506020]

約数ペア:

[(1, 81506020), (2, 40753010), (4, 20376505), (5, 16301204), (10, 8150602), (20, 4075301), (23, 3543740), (46, 1771870), (92, 885935), (115, 708748), (167, 488060), (230, 354374), (334, 244030), (460, 177187), (668, 122015), (835, 97612), (1061, 76820), (1670, 48806), (2122, 38410), (3340, 24403), (3841, 21220), (4244, 19205), (5305, 15364), (7682, 10610)]