68073520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{27449}}^1$

素因数の和:27493

約数の個数: 40

約数和(自身を含む): 163382400

約数和(自身を除く): 95308880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 27449, 54898, 109796, 137245, 219592, 274490, 439184, 548980, 850919, 1097960, 1701838, 2195920, 3403676, 4254595, 6807352, 8509190, 13614704, 17018380, 34036760, 68073520]

約数ペア:

[(1, 68073520), (2, 34036760), (4, 17018380), (5, 13614704), (8, 8509190), (10, 6807352), (16, 4254595), (20, 3403676), (31, 2195920), (40, 1701838), (62, 1097960), (80, 850919), (124, 548980), (155, 439184), (248, 274490), (310, 219592), (496, 137245), (620, 109796), (1240, 54898), (2480, 27449)]