668193440

素因数分解:

$2^5\times 5^1\times {\mathrm{937}}^1\times {\mathrm{4457}}^1$

素因数の和:5409

約数の個数: 48

約数和(自身を含む): 1580646312

約数和(自身を除く): 912452872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 937, 1874, 3748, 4457, 4685, 7496, 8914, 9370, 14992, 17828, 18740, 22285, 29984, 35656, 37480, 44570, 71312, 74960, 89140, 142624, 149920, 178280, 356560, 713120, 4176209, 8352418, 16704836, 20881045, 33409672, 41762090, 66819344, 83524180, 133638688, 167048360, 334096720, 668193440]

約数ペア:

[(1, 668193440), (2, 334096720), (4, 167048360), (5, 133638688), (8, 83524180), (10, 66819344), (16, 41762090), (20, 33409672), (32, 20881045), (40, 16704836), (80, 8352418), (160, 4176209), (937, 713120), (1874, 356560), (3748, 178280), (4457, 149920), (4685, 142624), (7496, 89140), (8914, 74960), (9370, 71312), (14992, 44570), (17828, 37480), (18740, 35656), (22285, 29984)]