16444840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{7757}}^1$

素因数の和:7821

約数の個数: 32

約数和(自身を含む): 37703880

約数和(自身を除く): 21259040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 7757, 15514, 31028, 38785, 62056, 77570, 155140, 310280, 411121, 822242, 1644484, 2055605, 3288968, 4111210, 8222420, 16444840]

約数ペア:

[(1, 16444840), (2, 8222420), (4, 4111210), (5, 3288968), (8, 2055605), (10, 1644484), (20, 822242), (40, 411121), (53, 310280), (106, 155140), (212, 77570), (265, 62056), (424, 38785), (530, 31028), (1060, 15514), (2120, 7757)]