69972040

素因数分解:

$2^3\times 5^1\times {\mathrm{863}}^1\times {\mathrm{2027}}^1$

素因数の和:2901

約数の個数: 32

約数和(自身を含む): 157697280

約数和(自身を除く): 87725240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 863, 1726, 2027, 3452, 4054, 4315, 6904, 8108, 8630, 10135, 16216, 17260, 20270, 34520, 40540, 81080, 1749301, 3498602, 6997204, 8746505, 13994408, 17493010, 34986020, 69972040]

約数ペア:

[(1, 69972040), (2, 34986020), (4, 17493010), (5, 13994408), (8, 8746505), (10, 6997204), (20, 3498602), (40, 1749301), (863, 81080), (1726, 40540), (2027, 34520), (3452, 20270), (4054, 17260), (4315, 16216), (6904, 10135), (8108, 8630)]