77109280

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28349}}^1$

素因数の和:28381

約数の個数: 48

約数和(自身を含む): 192893400

約数和(自身を除く): 115784120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 28349, 56698, 113396, 141745, 226792, 283490, 453584, 481933, 566980, 907168, 963866, 1133960, 1927732, 2267920, 2409665, 3855464, 4535840, 4819330, 7710928, 9638660, 15421856, 19277320, 38554640, 77109280]

約数ペア:

[(1, 77109280), (2, 38554640), (4, 19277320), (5, 15421856), (8, 9638660), (10, 7710928), (16, 4819330), (17, 4535840), (20, 3855464), (32, 2409665), (34, 2267920), (40, 1927732), (68, 1133960), (80, 963866), (85, 907168), (136, 566980), (160, 481933), (170, 453584), (272, 283490), (340, 226792), (544, 141745), (680, 113396), (1360, 56698), (2720, 28349)]