2005403980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{32587}}^1$

素因数の和:32794

約数の個数: 48

約数和(自身を含む): 4483848096

約数和(自身を除く): 2478444116

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 181, 340, 362, 724, 905, 1810, 3077, 3620, 6154, 12308, 15385, 30770, 32587, 61540, 65174, 130348, 162935, 325870, 553979, 651740, 1107958, 2215916, 2769895, 5539790, 5898247, 11079580, 11796494, 23592988, 29491235, 58982470, 100270199, 117964940, 200540398, 401080796, 501350995, 1002701990, 2005403980]

約数ペア:

[(1, 2005403980), (2, 1002701990), (4, 501350995), (5, 401080796), (10, 200540398), (17, 117964940), (20, 100270199), (34, 58982470), (68, 29491235), (85, 23592988), (170, 11796494), (181, 11079580), (340, 5898247), (362, 5539790), (724, 2769895), (905, 2215916), (1810, 1107958), (3077, 651740), (3620, 553979), (6154, 325870), (12308, 162935), (15385, 130348), (30770, 65174), (32587, 61540)]