489596840

素因数分解:

$2^3\times 5^1\times {\mathrm{1627}}^1\times {\mathrm{7523}}^1$

素因数の和:9161

約数の個数: 32

約数和(自身を含む): 1102416480

約数和(自身を除く): 612819640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1627, 3254, 6508, 7523, 8135, 13016, 15046, 16270, 30092, 32540, 37615, 60184, 65080, 75230, 150460, 300920, 12239921, 24479842, 48959684, 61199605, 97919368, 122399210, 244798420, 489596840]

約数ペア:

[(1, 489596840), (2, 244798420), (4, 122399210), (5, 97919368), (8, 61199605), (10, 48959684), (20, 24479842), (40, 12239921), (1627, 300920), (3254, 150460), (6508, 75230), (7523, 65080), (8135, 60184), (13016, 37615), (15046, 32540), (16270, 30092)]