74867840

素因数分解:

$2^7\times 5^1\times {\mathrm{116981}}^1$

素因数の和:117000

約数の個数: 32

約数和(自身を含む): 178982460

約数和(自身を除く): 104114620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 116981, 233962, 467924, 584905, 935848, 1169810, 1871696, 2339620, 3743392, 4679240, 7486784, 9358480, 14973568, 18716960, 37433920, 74867840]

約数ペア:

[(1, 74867840), (2, 37433920), (4, 18716960), (5, 14973568), (8, 9358480), (10, 7486784), (16, 4679240), (20, 3743392), (32, 2339620), (40, 1871696), (64, 1169810), (80, 935848), (128, 584905), (160, 467924), (320, 233962), (640, 116981)]