56287120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1949}}^1$

素因数の和:2000

約数の個数: 60

約数和(自身を含む): 138188700

約数和(自身を除く): 81901580

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1444, 1520, 1805, 1949, 2888, 3610, 3898, 5776, 7220, 7796, 9745, 14440, 15592, 19490, 28880, 31184, 37031, 38980, 74062, 77960, 148124, 155920, 185155, 296248, 370310, 592496, 703589, 740620, 1407178, 1481240, 2814356, 2962480, 3517945, 5628712, 7035890, 11257424, 14071780, 28143560, 56287120]

約数ペア:

[(1, 56287120), (2, 28143560), (4, 14071780), (5, 11257424), (8, 7035890), (10, 5628712), (16, 3517945), (19, 2962480), (20, 2814356), (38, 1481240), (40, 1407178), (76, 740620), (80, 703589), (95, 592496), (152, 370310), (190, 296248), (304, 185155), (361, 155920), (380, 148124), (722, 77960), (760, 74062), (1444, 38980), (1520, 37031), (1805, 31184), (1949, 28880), (2888, 19490), (3610, 15592), (3898, 14440), (5776, 9745), (7220, 7796)]