80996480

素因数分解:

$2^7\times 5^1\times {\mathrm{271}}^1\times {\mathrm{467}}^1$

素因数の和:757

約数の個数: 64

約数和(自身を含む): 194762880

約数和(自身を除く): 113766400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 271, 320, 467, 542, 640, 934, 1084, 1355, 1868, 2168, 2335, 2710, 3736, 4336, 4670, 5420, 7472, 8672, 9340, 10840, 14944, 17344, 18680, 21680, 29888, 34688, 37360, 43360, 59776, 74720, 86720, 126557, 149440, 173440, 253114, 298880, 506228, 632785, 1012456, 1265570, 2024912, 2531140, 4049824, 5062280, 8099648, 10124560, 16199296, 20249120, 40498240, 80996480]

約数ペア:

[(1, 80996480), (2, 40498240), (4, 20249120), (5, 16199296), (8, 10124560), (10, 8099648), (16, 5062280), (20, 4049824), (32, 2531140), (40, 2024912), (64, 1265570), (80, 1012456), (128, 632785), (160, 506228), (271, 298880), (320, 253114), (467, 173440), (542, 149440), (640, 126557), (934, 86720), (1084, 74720), (1355, 59776), (1868, 43360), (2168, 37360), (2335, 34688), (2710, 29888), (3736, 21680), (4336, 18680), (4670, 17344), (5420, 14944), (7472, 10840), (8672, 9340)]