131032960

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3863}}^1$

素因数の和:3935

約数の個数: 64

約数和(自身を含む): 319243680

約数和(自身を除く): 188210720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 640, 848, 1060, 1696, 2120, 3392, 3863, 4240, 6784, 7726, 8480, 15452, 16960, 19315, 30904, 33920, 38630, 61808, 77260, 123616, 154520, 204739, 247232, 309040, 409478, 494464, 618080, 818956, 1023695, 1236160, 1637912, 2047390, 2472320, 3275824, 4094780, 6551648, 8189560, 13103296, 16379120, 26206592, 32758240, 65516480, 131032960]

約数ペア:

[(1, 131032960), (2, 65516480), (4, 32758240), (5, 26206592), (8, 16379120), (10, 13103296), (16, 8189560), (20, 6551648), (32, 4094780), (40, 3275824), (53, 2472320), (64, 2047390), (80, 1637912), (106, 1236160), (128, 1023695), (160, 818956), (212, 618080), (265, 494464), (320, 409478), (424, 309040), (530, 247232), (640, 204739), (848, 154520), (1060, 123616), (1696, 77260), (2120, 61808), (3392, 38630), (3863, 33920), (4240, 30904), (6784, 19315), (7726, 16960), (8480, 15452)]