87755680

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28867}}^1$

素因数の和:28901

約数の個数: 48

約数和(自身を含む): 218242080

約数和(自身を除く): 130486400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 28867, 57734, 115468, 144335, 230936, 288670, 461872, 548473, 577340, 923744, 1096946, 1154680, 2193892, 2309360, 2742365, 4387784, 4618720, 5484730, 8775568, 10969460, 17551136, 21938920, 43877840, 87755680]

約数ペア:

[(1, 87755680), (2, 43877840), (4, 21938920), (5, 17551136), (8, 10969460), (10, 8775568), (16, 5484730), (19, 4618720), (20, 4387784), (32, 2742365), (38, 2309360), (40, 2193892), (76, 1154680), (80, 1096946), (95, 923744), (152, 577340), (160, 548473), (190, 461872), (304, 288670), (380, 230936), (608, 144335), (760, 115468), (1520, 57734), (3040, 28867)]