57157840

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:460

約数の個数: 80

約数和(自身を含む): 139812480

約数和(自身を除く): 82654640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 71, 80, 116, 142, 145, 232, 284, 290, 347, 355, 464, 568, 580, 694, 710, 1136, 1160, 1388, 1420, 1735, 2059, 2320, 2776, 2840, 3470, 4118, 5552, 5680, 6940, 8236, 10063, 10295, 13880, 16472, 20126, 20590, 24637, 27760, 32944, 40252, 41180, 49274, 50315, 80504, 82360, 98548, 100630, 123185, 161008, 164720, 197096, 201260, 246370, 394192, 402520, 492740, 714473, 805040, 985480, 1428946, 1970960, 2857892, 3572365, 5715784, 7144730, 11431568, 14289460, 28578920, 57157840]

約数ペア:

[(1, 57157840), (2, 28578920), (4, 14289460), (5, 11431568), (8, 7144730), (10, 5715784), (16, 3572365), (20, 2857892), (29, 1970960), (40, 1428946), (58, 985480), (71, 805040), (80, 714473), (116, 492740), (142, 402520), (145, 394192), (232, 246370), (284, 201260), (290, 197096), (347, 164720), (355, 161008), (464, 123185), (568, 100630), (580, 98548), (694, 82360), (710, 80504), (1136, 50315), (1160, 49274), (1388, 41180), (1420, 40252), (1735, 32944), (2059, 27760), (2320, 24637), (2776, 20590), (2840, 20126), (3470, 16472), (4118, 13880), (5552, 10295), (5680, 10063), (6940, 8236)]