81443700440

素因数分解:

$2^3\times 5^1\times {\mathrm{1447}}^1\times {\mathrm{1407113}}^1$

素因数の和:1408571

約数の個数: 32

約数和(自身を含む): 183375096480

約数和(自身を除く): 101931396040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1447, 2894, 5788, 7235, 11576, 14470, 28940, 57880, 1407113, 2814226, 5628452, 7035565, 11256904, 14071130, 28142260, 56284520, 2036092511, 4072185022, 8144370044, 10180462555, 16288740088, 20360925110, 40721850220, 81443700440]

約数ペア:

[(1, 81443700440), (2, 40721850220), (4, 20360925110), (5, 16288740088), (8, 10180462555), (10, 8144370044), (20, 4072185022), (40, 2036092511), (1447, 56284520), (2894, 28142260), (5788, 14071130), (7235, 11256904), (11576, 7035565), (14470, 5628452), (28940, 2814226), (57880, 1407113)]