51236960

素因数分解:

$2^5\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1789}}^1$

素因数の和:1983

約数の個数: 48

約数和(自身を含む): 121791600

約数和(自身を除く): 70554640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179, 358, 716, 895, 1432, 1789, 1790, 2864, 3578, 3580, 5728, 7156, 7160, 8945, 14312, 14320, 17890, 28624, 28640, 35780, 57248, 71560, 143120, 286240, 320231, 640462, 1280924, 1601155, 2561848, 3202310, 5123696, 6404620, 10247392, 12809240, 25618480, 51236960]

約数ペア:

[(1, 51236960), (2, 25618480), (4, 12809240), (5, 10247392), (8, 6404620), (10, 5123696), (16, 3202310), (20, 2561848), (32, 1601155), (40, 1280924), (80, 640462), (160, 320231), (179, 286240), (358, 143120), (716, 71560), (895, 57248), (1432, 35780), (1789, 28640), (1790, 28624), (2864, 17890), (3578, 14320), (3580, 14312), (5728, 8945), (7156, 7160)]