5410040

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{641}}^1$

素因数の和:863

約数の個数: 32

約数和(自身を含む): 12249360

約数和(自身を除く): 6839320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 641, 844, 1055, 1282, 1688, 2110, 2564, 3205, 4220, 5128, 6410, 8440, 12820, 25640, 135251, 270502, 541004, 676255, 1082008, 1352510, 2705020, 5410040]

約数ペア:

[(1, 5410040), (2, 2705020), (4, 1352510), (5, 1082008), (8, 676255), (10, 541004), (20, 270502), (40, 135251), (211, 25640), (422, 12820), (641, 8440), (844, 6410), (1055, 5128), (1282, 4220), (1688, 3205), (2110, 2564)]