2019207440

素因数分解:

$2^4\times 5^1\times {\mathrm{6299}}^1\times {\mathrm{4007}}^1$

素因数の和:10319

約数の個数: 40

約数和(自身を含む): 4696574400

約数和(自身を除く): 2677366960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4007, 6299, 8014, 12598, 16028, 20035, 25196, 31495, 32056, 40070, 50392, 62990, 64112, 80140, 100784, 125980, 160280, 251960, 320560, 503920, 25240093, 50480186, 100960372, 126200465, 201920744, 252400930, 403841488, 504801860, 1009603720, 2019207440]

約数ペア:

[(1, 2019207440), (2, 1009603720), (4, 504801860), (5, 403841488), (8, 252400930), (10, 201920744), (16, 126200465), (20, 100960372), (40, 50480186), (80, 25240093), (4007, 503920), (6299, 320560), (8014, 251960), (12598, 160280), (16028, 125980), (20035, 100784), (25196, 80140), (31495, 64112), (32056, 62990), (40070, 50392)]