913480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:609

約数の個数: 32

約数和(自身を含む): 2109240

約数和(自身を除く): 1195760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 557, 820, 1114, 1640, 2228, 2785, 4456, 5570, 11140, 22280, 22837, 45674, 91348, 114185, 182696, 228370, 456740, 913480]

約数ペア:

[(1, 913480), (2, 456740), (4, 228370), (5, 182696), (8, 114185), (10, 91348), (20, 45674), (40, 22837), (41, 22280), (82, 11140), (164, 5570), (205, 4456), (328, 2785), (410, 2228), (557, 1640), (820, 1114)]