161650180

素因数分解:

$2^2\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{6203}}^1$

素因数の和:7515

約数の個数: 24

約数和(自身を含む): 339780672

約数和(自身を除く): 178130492

約数列:

[1, 2, 4, 5, 10, 20, 1303, 2606, 5212, 6203, 6515, 12406, 13030, 24812, 26060, 31015, 62030, 124060, 8082509, 16165018, 32330036, 40412545, 80825090, 161650180]

約数ペア:

[(1, 161650180), (2, 80825090), (4, 40412545), (5, 32330036), (10, 16165018), (20, 8082509), (1303, 124060), (2606, 62030), (5212, 31015), (6203, 26060), (6515, 24812), (12406, 13030)]