4782920

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1097}}^1$

素因数の和:1217

約数の個数: 32

約数和(自身を含む): 10870200

約数和(自身を除く): 6087280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 1097, 2180, 2194, 4360, 4388, 5485, 8776, 10970, 21940, 43880, 119573, 239146, 478292, 597865, 956584, 1195730, 2391460, 4782920]

約数ペア:

[(1, 4782920), (2, 2391460), (4, 1195730), (5, 956584), (8, 597865), (10, 478292), (20, 239146), (40, 119573), (109, 43880), (218, 21940), (436, 10970), (545, 8776), (872, 5485), (1090, 4388), (1097, 4360), (2180, 2194)]