434996840

素因数分解:

$2^3\times 5^1\times {\mathrm{2557}}^1\times {\mathrm{4253}}^1$

素因数の和:6821

約数の個数: 32

約数和(自身を含む): 979355880

約数和(自身を除く): 544359040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2557, 4253, 5114, 8506, 10228, 12785, 17012, 20456, 21265, 25570, 34024, 42530, 51140, 85060, 102280, 170120, 10874921, 21749842, 43499684, 54374605, 86999368, 108749210, 217498420, 434996840]

約数ペア:

[(1, 434996840), (2, 217498420), (4, 108749210), (5, 86999368), (8, 54374605), (10, 43499684), (20, 21749842), (40, 10874921), (2557, 170120), (4253, 102280), (5114, 85060), (8506, 51140), (10228, 42530), (12785, 34024), (17012, 25570), (20456, 21265)]