2155360

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{709}}^1$

素因数の和:743

約数の個数: 48

約数和(自身を含む): 5367600

約数和(自身を除く): 3212240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 709, 760, 1418, 1520, 2836, 3040, 3545, 5672, 7090, 11344, 13471, 14180, 22688, 26942, 28360, 53884, 56720, 67355, 107768, 113440, 134710, 215536, 269420, 431072, 538840, 1077680, 2155360]

約数ペア:

[(1, 2155360), (2, 1077680), (4, 538840), (5, 431072), (8, 269420), (10, 215536), (16, 134710), (19, 113440), (20, 107768), (32, 67355), (38, 56720), (40, 53884), (76, 28360), (80, 26942), (95, 22688), (152, 14180), (160, 13471), (190, 11344), (304, 7090), (380, 5672), (608, 3545), (709, 3040), (760, 2836), (1418, 1520)]