16566460

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 36197280

約数和(自身を除く): 19630820

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 89, 164, 178, 205, 227, 356, 410, 445, 454, 820, 890, 908, 1135, 1780, 2270, 3649, 4540, 7298, 9307, 14596, 18245, 18614, 20203, 36490, 37228, 40406, 46535, 72980, 80812, 93070, 101015, 186140, 202030, 404060, 828323, 1656646, 3313292, 4141615, 8283230, 16566460]

約数ペア:

[(1, 16566460), (2, 8283230), (4, 4141615), (5, 3313292), (10, 1656646), (20, 828323), (41, 404060), (82, 202030), (89, 186140), (164, 101015), (178, 93070), (205, 80812), (227, 72980), (356, 46535), (410, 40406), (445, 37228), (454, 36490), (820, 20203), (890, 18614), (908, 18245), (1135, 14596), (1780, 9307), (2270, 7298), (3649, 4540)]