28468160

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:274

約数の個数: 112

約数和(自身を含む): 79004160

約数和(自身を除く): 50536000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 140, 142, 160, 179, 224, 280, 284, 320, 355, 358, 448, 497, 560, 568, 710, 716, 895, 994, 1120, 1136, 1253, 1420, 1432, 1790, 1988, 2240, 2272, 2485, 2506, 2840, 2864, 3580, 3976, 4544, 4970, 5012, 5680, 5728, 6265, 7160, 7952, 9940, 10024, 11360, 11456, 12530, 12709, 14320, 15904, 19880, 20048, 22720, 25060, 25418, 28640, 31808, 39760, 40096, 50120, 50836, 57280, 63545, 79520, 80192, 88963, 100240, 101672, 127090, 159040, 177926, 200480, 203344, 254180, 355852, 400960, 406688, 444815, 508360, 711704, 813376, 889630, 1016720, 1423408, 1779260, 2033440, 2846816, 3558520, 4066880, 5693632, 7117040, 14234080, 28468160]

約数ペア:

[(1, 28468160), (2, 14234080), (4, 7117040), (5, 5693632), (7, 4066880), (8, 3558520), (10, 2846816), (14, 2033440), (16, 1779260), (20, 1423408), (28, 1016720), (32, 889630), (35, 813376), (40, 711704), (56, 508360), (64, 444815), (70, 406688), (71, 400960), (80, 355852), (112, 254180), (140, 203344), (142, 200480), (160, 177926), (179, 159040), (224, 127090), (280, 101672), (284, 100240), (320, 88963), (355, 80192), (358, 79520), (448, 63545), (497, 57280), (560, 50836), (568, 50120), (710, 40096), (716, 39760), (895, 31808), (994, 28640), (1120, 25418), (1136, 25060), (1253, 22720), (1420, 20048), (1432, 19880), (1790, 15904), (1988, 14320), (2240, 12709), (2272, 12530), (2485, 11456), (2506, 11360), (2840, 10024), (2864, 9940), (3580, 7952), (3976, 7160), (4544, 6265), (4970, 5728), (5012, 5680)]