42780140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4447}}^1$

素因数の和:4506

約数の個数: 48

約数和(自身を含む): 99386112

約数和(自身を除く): 56605972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4447, 4810, 8894, 9620, 17788, 22235, 44470, 57811, 88940, 115622, 164539, 231244, 289055, 329078, 578110, 658156, 822695, 1156220, 1645390, 2139007, 3290780, 4278014, 8556028, 10695035, 21390070, 42780140]

約数ペア:

[(1, 42780140), (2, 21390070), (4, 10695035), (5, 8556028), (10, 4278014), (13, 3290780), (20, 2139007), (26, 1645390), (37, 1156220), (52, 822695), (65, 658156), (74, 578110), (130, 329078), (148, 289055), (185, 231244), (260, 164539), (370, 115622), (481, 88940), (740, 57811), (962, 44470), (1924, 22235), (2405, 17788), (4447, 9620), (4810, 8894)]