11491840

素因数分解:

$2^9\times 5^1\times {\mathrm{67}}^2$

素因数の和:157

約数の個数: 60

約数和(自身を含む): 27970866

約数和(自身を除く): 16479026

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 256, 268, 320, 335, 512, 536, 640, 670, 1072, 1280, 1340, 2144, 2560, 2680, 4288, 4489, 5360, 8576, 8978, 10720, 17152, 17956, 21440, 22445, 34304, 35912, 42880, 44890, 71824, 85760, 89780, 143648, 171520, 179560, 287296, 359120, 574592, 718240, 1149184, 1436480, 2298368, 2872960, 5745920, 11491840]

約数ペア:

[(1, 11491840), (2, 5745920), (4, 2872960), (5, 2298368), (8, 1436480), (10, 1149184), (16, 718240), (20, 574592), (32, 359120), (40, 287296), (64, 179560), (67, 171520), (80, 143648), (128, 89780), (134, 85760), (160, 71824), (256, 44890), (268, 42880), (320, 35912), (335, 34304), (512, 22445), (536, 21440), (640, 17956), (670, 17152), (1072, 10720), (1280, 8978), (1340, 8576), (2144, 5360), (2560, 4489), (2680, 4288)]