28468480

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{967}}^1$

素因数の和:1011

約数の個数: 72

約数和(自身を含む): 71229312

約数和(自身を除く): 42760832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 967, 1280, 1472, 1840, 1934, 2944, 3680, 3868, 4835, 5888, 7360, 7736, 9670, 14720, 15472, 19340, 22241, 29440, 30944, 38680, 44482, 61888, 77360, 88964, 111205, 123776, 154720, 177928, 222410, 247552, 309440, 355856, 444820, 618880, 711712, 889640, 1237760, 1423424, 1779280, 2846848, 3558560, 5693696, 7117120, 14234240, 28468480]

約数ペア:

[(1, 28468480), (2, 14234240), (4, 7117120), (5, 5693696), (8, 3558560), (10, 2846848), (16, 1779280), (20, 1423424), (23, 1237760), (32, 889640), (40, 711712), (46, 618880), (64, 444820), (80, 355856), (92, 309440), (115, 247552), (128, 222410), (160, 177928), (184, 154720), (230, 123776), (256, 111205), (320, 88964), (368, 77360), (460, 61888), (640, 44482), (736, 38680), (920, 30944), (967, 29440), (1280, 22241), (1472, 19340), (1840, 15472), (1934, 14720), (2944, 9670), (3680, 7736), (3868, 7360), (4835, 5888)]