42180940

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{15173}}^1$

素因数の和:15321

約数の個数: 24

約数和(自身を含む): 89223120

約数和(自身を除く): 47042180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 15173, 30346, 60692, 75865, 151730, 303460, 2109047, 4218094, 8436188, 10545235, 21090470, 42180940]

約数ペア:

[(1, 42180940), (2, 21090470), (4, 10545235), (5, 8436188), (10, 4218094), (20, 2109047), (139, 303460), (278, 151730), (556, 75865), (695, 60692), (1390, 30346), (2780, 15173)]