80171030

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:704

約数の個数: 32

約数和(自身を含む): 146754720

約数和(自身を除く): 66583690

約数列:

[1, 2, 5, 10, 137, 139, 274, 278, 421, 685, 695, 842, 1370, 1390, 2105, 4210, 19043, 38086, 57677, 58519, 95215, 115354, 117038, 190430, 288385, 292595, 576770, 585190, 8017103, 16034206, 40085515, 80171030]

約数ペア:

[(1, 80171030), (2, 40085515), (5, 16034206), (10, 8017103), (137, 585190), (139, 576770), (274, 292595), (278, 288385), (421, 190430), (685, 117038), (695, 115354), (842, 95215), (1370, 58519), (1390, 57677), (2105, 38086), (4210, 19043)]