28578880

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:404

約数の個数: 112

約数和(自身を含む): 77687424

約数和(自身を除く): 49108544

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 64, 80, 88, 92, 110, 115, 160, 176, 184, 220, 230, 253, 320, 352, 353, 368, 440, 460, 506, 704, 706, 736, 880, 920, 1012, 1265, 1412, 1472, 1760, 1765, 1840, 2024, 2530, 2824, 3520, 3530, 3680, 3883, 4048, 5060, 5648, 7060, 7360, 7766, 8096, 8119, 10120, 11296, 14120, 15532, 16192, 16238, 19415, 20240, 22592, 28240, 31064, 32476, 38830, 40480, 40595, 56480, 62128, 64952, 77660, 80960, 81190, 89309, 112960, 124256, 129904, 155320, 162380, 178618, 248512, 259808, 310640, 324760, 357236, 446545, 519616, 621280, 649520, 714472, 893090, 1242560, 1299040, 1428944, 1786180, 2598080, 2857888, 3572360, 5715776, 7144720, 14289440, 28578880]

約数ペア:

[(1, 28578880), (2, 14289440), (4, 7144720), (5, 5715776), (8, 3572360), (10, 2857888), (11, 2598080), (16, 1786180), (20, 1428944), (22, 1299040), (23, 1242560), (32, 893090), (40, 714472), (44, 649520), (46, 621280), (55, 519616), (64, 446545), (80, 357236), (88, 324760), (92, 310640), (110, 259808), (115, 248512), (160, 178618), (176, 162380), (184, 155320), (220, 129904), (230, 124256), (253, 112960), (320, 89309), (352, 81190), (353, 80960), (368, 77660), (440, 64952), (460, 62128), (506, 56480), (704, 40595), (706, 40480), (736, 38830), (880, 32476), (920, 31064), (1012, 28240), (1265, 22592), (1412, 20240), (1472, 19415), (1760, 16238), (1765, 16192), (1840, 15532), (2024, 14120), (2530, 11296), (2824, 10120), (3520, 8119), (3530, 8096), (3680, 7766), (3883, 7360), (4048, 7060), (5060, 5648)]