27986080

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10289}}^1$

素因数の和:10321

約数の個数: 48

約数和(自身を含む): 70013160

約数和(自身を除く): 42027080

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, 10289, 20578, 41156, 51445, 82312, 102890, 164624, 174913, 205780, 329248, 349826, 411560, 699652, 823120, 874565, 1399304, 1646240, 1749130, 2798608, 3498260, 5597216, 6996520, 13993040, 27986080]

約数ペア:

[(1, 27986080), (2, 13993040), (4, 6996520), (5, 5597216), (8, 3498260), (10, 2798608), (16, 1749130), (17, 1646240), (20, 1399304), (32, 874565), (34, 823120), (40, 699652), (68, 411560), (80, 349826), (85, 329248), (136, 205780), (160, 174913), (170, 164624), (272, 102890), (340, 82312), (544, 51445), (680, 41156), (1360, 20578), (2720, 10289)]