208022720

素因数分解:

$2^6\times 5^1\times {\mathrm{650071}}^1$

素因数の和:650088

約数の個数: 28

約数和(自身を含む): 495354864

約数和(自身を除く): 287332144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 650071, 1300142, 2600284, 3250355, 5200568, 6500710, 10401136, 13001420, 20802272, 26002840, 41604544, 52005680, 104011360, 208022720]

約数ペア:

[(1, 208022720), (2, 104011360), (4, 52005680), (5, 41604544), (8, 26002840), (10, 20802272), (16, 13001420), (20, 10401136), (32, 6500710), (40, 5200568), (64, 3250355), (80, 2600284), (160, 1300142), (320, 650071)]