20131176880

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{102251}}^1$

素因数の和:102394

約数の個数: 80

約数和(自身を含む): 49296916224

約数和(自身を除く): 29165739344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 107, 115, 184, 214, 230, 368, 428, 460, 535, 856, 920, 1070, 1712, 1840, 2140, 2461, 4280, 4922, 8560, 9844, 12305, 19688, 24610, 39376, 49220, 98440, 102251, 196880, 204502, 409004, 511255, 818008, 1022510, 1636016, 2045020, 2351773, 4090040, 4703546, 8180080, 9407092, 10940857, 11758865, 18814184, 21881714, 23517730, 37628368, 43763428, 47035460, 54704285, 87526856, 94070920, 109408570, 175053712, 188141840, 218817140, 251639711, 437634280, 503279422, 875268560, 1006558844, 1258198555, 2013117688, 2516397110, 4026235376, 5032794220, 10065588440, 20131176880]

約数ペア:

[(1, 20131176880), (2, 10065588440), (4, 5032794220), (5, 4026235376), (8, 2516397110), (10, 2013117688), (16, 1258198555), (20, 1006558844), (23, 875268560), (40, 503279422), (46, 437634280), (80, 251639711), (92, 218817140), (107, 188141840), (115, 175053712), (184, 109408570), (214, 94070920), (230, 87526856), (368, 54704285), (428, 47035460), (460, 43763428), (535, 37628368), (856, 23517730), (920, 21881714), (1070, 18814184), (1712, 11758865), (1840, 10940857), (2140, 9407092), (2461, 8180080), (4280, 4703546), (4922, 4090040), (8560, 2351773), (9844, 2045020), (12305, 1636016), (19688, 1022510), (24610, 818008), (39376, 511255), (49220, 409004), (98440, 204502), (102251, 196880)]