11620480

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 28298880

約数和(自身を除く): 16678400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 271, 320, 335, 536, 542, 640, 670, 1072, 1084, 1340, 1355, 2144, 2168, 2680, 2710, 4288, 4336, 5360, 5420, 8576, 8672, 10720, 10840, 17344, 18157, 21440, 21680, 34688, 36314, 42880, 43360, 72628, 86720, 90785, 145256, 173440, 181570, 290512, 363140, 581024, 726280, 1162048, 1452560, 2324096, 2905120, 5810240, 11620480]

約数ペア:

[(1, 11620480), (2, 5810240), (4, 2905120), (5, 2324096), (8, 1452560), (10, 1162048), (16, 726280), (20, 581024), (32, 363140), (40, 290512), (64, 181570), (67, 173440), (80, 145256), (128, 90785), (134, 86720), (160, 72628), (268, 43360), (271, 42880), (320, 36314), (335, 34688), (536, 21680), (542, 21440), (640, 18157), (670, 17344), (1072, 10840), (1084, 10720), (1340, 8672), (1355, 8576), (2144, 5420), (2168, 5360), (2680, 4336), (2710, 4288)]