161720810

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{3011}}^1$

素因数の和:3190

約数の個数: 32

約数和(自身を含む): 300573504

約数和(自身を除く): 138852694

約数列:

[1, 2, 5, 10, 41, 82, 131, 205, 262, 410, 655, 1310, 3011, 5371, 6022, 10742, 15055, 26855, 30110, 53710, 123451, 246902, 394441, 617255, 788882, 1234510, 1972205, 3944410, 16172081, 32344162, 80860405, 161720810]

約数ペア:

[(1, 161720810), (2, 80860405), (5, 32344162), (10, 16172081), (41, 3944410), (82, 1972205), (131, 1234510), (205, 788882), (262, 617255), (410, 394441), (655, 246902), (1310, 123451), (3011, 53710), (5371, 30110), (6022, 26855), (10742, 15055)]