8916440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1319}}^1$

素因数の和:1356

約数の個数: 48

約数和(自身を含む): 21740400

約数和(自身を除く): 12823960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1319, 1352, 1690, 2638, 3380, 5276, 6595, 6760, 10552, 13190, 17147, 26380, 34294, 52760, 68588, 85735, 137176, 171470, 222911, 342940, 445822, 685880, 891644, 1114555, 1783288, 2229110, 4458220, 8916440]

約数ペア:

[(1, 8916440), (2, 4458220), (4, 2229110), (5, 1783288), (8, 1114555), (10, 891644), (13, 685880), (20, 445822), (26, 342940), (40, 222911), (52, 171470), (65, 137176), (104, 85735), (130, 68588), (169, 52760), (260, 34294), (338, 26380), (520, 17147), (676, 13190), (845, 10552), (1319, 6760), (1352, 6595), (1690, 5276), (2638, 3380)]