1688228560

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{80239}}^1$

素因数の和:80515

約数の個数: 40

約数和(自身を含む): 3940104960

約数和(自身を除く): 2251876400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 1052, 1315, 2104, 2630, 4208, 5260, 10520, 21040, 80239, 160478, 320956, 401195, 641912, 802390, 1283824, 1604780, 3209560, 6419120, 21102857, 42205714, 84411428, 105514285, 168822856, 211028570, 337645712, 422057140, 844114280, 1688228560]

約数ペア:

[(1, 1688228560), (2, 844114280), (4, 422057140), (5, 337645712), (8, 211028570), (10, 168822856), (16, 105514285), (20, 84411428), (40, 42205714), (80, 21102857), (263, 6419120), (526, 3209560), (1052, 1604780), (1315, 1283824), (2104, 802390), (2630, 641912), (4208, 401195), (5260, 320956), (10520, 160478), (21040, 80239)]