54579980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29989}}^1$

素因数の和:30018

約数の個数: 48

約数和(自身を含む): 141072960

約数和(自身を除く): 86492980

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 29989, 59978, 119956, 149945, 209923, 299890, 389857, 419846, 599780, 779714, 839692, 1049615, 1559428, 1949285, 2099230, 2728999, 3898570, 4198460, 5457998, 7797140, 10915996, 13644995, 27289990, 54579980]

約数ペア:

[(1, 54579980), (2, 27289990), (4, 13644995), (5, 10915996), (7, 7797140), (10, 5457998), (13, 4198460), (14, 3898570), (20, 2728999), (26, 2099230), (28, 1949285), (35, 1559428), (52, 1049615), (65, 839692), (70, 779714), (91, 599780), (130, 419846), (140, 389857), (182, 299890), (260, 209923), (364, 149945), (455, 119956), (910, 59978), (1820, 29989)]