16286380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{409}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 37608480

約数和(自身を除く): 21322100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 181, 220, 362, 409, 724, 818, 905, 1636, 1810, 1991, 2045, 3620, 3982, 4090, 4499, 7964, 8180, 8998, 9955, 17996, 19910, 22495, 39820, 44990, 74029, 89980, 148058, 296116, 370145, 740290, 814319, 1480580, 1628638, 3257276, 4071595, 8143190, 16286380]

約数ペア:

[(1, 16286380), (2, 8143190), (4, 4071595), (5, 3257276), (10, 1628638), (11, 1480580), (20, 814319), (22, 740290), (44, 370145), (55, 296116), (110, 148058), (181, 89980), (220, 74029), (362, 44990), (409, 39820), (724, 22495), (818, 19910), (905, 17996), (1636, 9955), (1810, 8998), (1991, 8180), (2045, 7964), (3620, 4499), (3982, 4090)]