2045862040

素因数分解:

$2^3\times 5^1\times {\mathrm{709}}^1\times {\mathrm{72139}}^1$

素因数の和:72859

約数の個数: 32

約数和(自身を含む): 4609746000

約数和(自身を除く): 2563883960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 709, 1418, 2836, 3545, 5672, 7090, 14180, 28360, 72139, 144278, 288556, 360695, 577112, 721390, 1442780, 2885560, 51146551, 102293102, 204586204, 255732755, 409172408, 511465510, 1022931020, 2045862040]

約数ペア:

[(1, 2045862040), (2, 1022931020), (4, 511465510), (5, 409172408), (8, 255732755), (10, 204586204), (20, 102293102), (40, 51146551), (709, 2885560), (1418, 1442780), (2836, 721390), (3545, 577112), (5672, 360695), (7090, 288556), (14180, 144278), (28360, 72139)]