40498328

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2389}}^1$

素因数の和:2571

約数の個数: 32

約数和(自身を含む): 82311600

約数和(自身を除く): 41813272

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 163, 326, 652, 1304, 2119, 2389, 4238, 4778, 8476, 9556, 16952, 19112, 31057, 62114, 124228, 248456, 389407, 778814, 1557628, 3115256, 5062291, 10124582, 20249164, 40498328]

約数ペア:

[(1, 40498328), (2, 20249164), (4, 10124582), (8, 5062291), (13, 3115256), (26, 1557628), (52, 778814), (104, 389407), (163, 248456), (326, 124228), (652, 62114), (1304, 31057), (2119, 19112), (2389, 16952), (4238, 9556), (4778, 8476)]