814867840

素因数分解:

$2^7\times 5^1\times {\mathrm{1273231}}^1$

素因数の和:1273250

約数の個数: 32

約数和(自身を含む): 1948044960

約数和(自身を除く): 1133177120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1273231, 2546462, 5092924, 6366155, 10185848, 12732310, 20371696, 25464620, 40743392, 50929240, 81486784, 101858480, 162973568, 203716960, 407433920, 814867840]

約数ペア:

[(1, 814867840), (2, 407433920), (4, 203716960), (5, 162973568), (8, 101858480), (10, 81486784), (16, 50929240), (20, 40743392), (32, 25464620), (40, 20371696), (64, 12732310), (80, 10185848), (128, 6366155), (160, 5092924), (320, 2546462), (640, 1273231)]