123575140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{475289}}^1$

素因数の和:475311

約数の個数: 24

約数和(自身を含む): 279470520

約数和(自身を除く): 155895380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 475289, 950578, 1901156, 2376445, 4752890, 6178757, 9505780, 12357514, 24715028, 30893785, 61787570, 123575140]

約数ペア:

[(1, 123575140), (2, 61787570), (4, 30893785), (5, 24715028), (10, 12357514), (13, 9505780), (20, 6178757), (26, 4752890), (52, 2376445), (65, 1901156), (130, 950578), (260, 475289)]