2078397980

素因数分解:

$2^2\times 5^1\times {\mathrm{1913}}^1\times {\mathrm{54323}}^1$

素因数の和:56245

約数の個数: 24

約数和(自身を含む): 4366997712

約数和(自身を除く): 2288599732

約数列:

[1, 2, 4, 5, 10, 20, 1913, 3826, 7652, 9565, 19130, 38260, 54323, 108646, 217292, 271615, 543230, 1086460, 103919899, 207839798, 415679596, 519599495, 1039198990, 2078397980]

約数ペア:

[(1, 2078397980), (2, 1039198990), (4, 519599495), (5, 415679596), (10, 207839798), (20, 103919899), (1913, 1086460), (3826, 543230), (7652, 271615), (9565, 217292), (19130, 108646), (38260, 54323)]