31748480

素因数分解:

$2^7\times 5^1\times {\mathrm{113}}^1\times {\mathrm{439}}^1$

素因数の和:571

約数の個数: 64

約数和(自身を含む): 76744800

約数和(自身を除く): 44996320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 226, 320, 439, 452, 565, 640, 878, 904, 1130, 1756, 1808, 2195, 2260, 3512, 3616, 4390, 4520, 7024, 7232, 8780, 9040, 14048, 14464, 17560, 18080, 28096, 35120, 36160, 49607, 56192, 70240, 72320, 99214, 140480, 198428, 248035, 280960, 396856, 496070, 793712, 992140, 1587424, 1984280, 3174848, 3968560, 6349696, 7937120, 15874240, 31748480]

約数ペア:

[(1, 31748480), (2, 15874240), (4, 7937120), (5, 6349696), (8, 3968560), (10, 3174848), (16, 1984280), (20, 1587424), (32, 992140), (40, 793712), (64, 496070), (80, 396856), (113, 280960), (128, 248035), (160, 198428), (226, 140480), (320, 99214), (439, 72320), (452, 70240), (565, 56192), (640, 49607), (878, 36160), (904, 35120), (1130, 28096), (1756, 18080), (1808, 17560), (2195, 14464), (2260, 14048), (3512, 9040), (3616, 8780), (4390, 7232), (4520, 7024)]