79646720

素因数分解:

$2^{12}\times 5^1\times {\mathrm{3889}}^1$

素因数の和:3918

約数の個数: 52

約数和(自身を含む): 191177940

約数和(自身を除く): 111531220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 3889, 4096, 5120, 7778, 10240, 15556, 19445, 20480, 31112, 38890, 62224, 77780, 124448, 155560, 248896, 311120, 497792, 622240, 995584, 1244480, 1991168, 2488960, 3982336, 4977920, 7964672, 9955840, 15929344, 19911680, 39823360, 79646720]

約数ペア:

[(1, 79646720), (2, 39823360), (4, 19911680), (5, 15929344), (8, 9955840), (10, 7964672), (16, 4977920), (20, 3982336), (32, 2488960), (40, 1991168), (64, 1244480), (80, 995584), (128, 622240), (160, 497792), (256, 311120), (320, 248896), (512, 155560), (640, 124448), (1024, 77780), (1280, 62224), (2048, 38890), (2560, 31112), (3889, 20480), (4096, 19445), (5120, 15556), (7778, 10240)]