9236840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4357}}^1$

素因数の和:4421

約数の個数: 32

約数和(自身を含む): 21179880

約数和(自身を除く): 11943040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 4357, 8714, 17428, 21785, 34856, 43570, 87140, 174280, 230921, 461842, 923684, 1154605, 1847368, 2309210, 4618420, 9236840]

約数ペア:

[(1, 9236840), (2, 4618420), (4, 2309210), (5, 1847368), (8, 1154605), (10, 923684), (20, 461842), (40, 230921), (53, 174280), (106, 87140), (212, 43570), (265, 34856), (424, 21785), (530, 17428), (1060, 8714), (2120, 4357)]