81666290

素因数分解:

$2^1\times 5^1\times {\mathrm{823}}^1\times {\mathrm{9923}}^1$

素因数の和:10753

約数の個数: 16

約数和(自身を含む): 147192768

約数和(自身を除く): 65526478

約数列:

[1, 2, 5, 10, 823, 1646, 4115, 8230, 9923, 19846, 49615, 99230, 8166629, 16333258, 40833145, 81666290]

約数ペア:

[(1, 81666290), (2, 40833145), (5, 16333258), (10, 8166629), (823, 99230), (1646, 49615), (4115, 19846), (8230, 9923)]