269364640

素因数分解:

$2^5\times 5^1\times {\mathrm{809}}^1\times {\mathrm{2081}}^1$

素因数の和:2905

約数の個数: 48

約数和(自身を含む): 637466760

約数和(自身を除く): 368102120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 809, 1618, 2081, 3236, 4045, 4162, 6472, 8090, 8324, 10405, 12944, 16180, 16648, 20810, 25888, 32360, 33296, 41620, 64720, 66592, 83240, 129440, 166480, 332960, 1683529, 3367058, 6734116, 8417645, 13468232, 16835290, 26936464, 33670580, 53872928, 67341160, 134682320, 269364640]

約数ペア:

[(1, 269364640), (2, 134682320), (4, 67341160), (5, 53872928), (8, 33670580), (10, 26936464), (16, 16835290), (20, 13468232), (32, 8417645), (40, 6734116), (80, 3367058), (160, 1683529), (809, 332960), (1618, 166480), (2081, 129440), (3236, 83240), (4045, 66592), (4162, 64720), (6472, 41620), (8090, 33296), (8324, 32360), (10405, 25888), (12944, 20810), (16180, 16648)]