51643720

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{3371}}^1$

素因数の和:3765

約数の個数: 32

約数和(自身を含む): 116536320

約数和(自身を除く): 64892600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1532, 1915, 3064, 3371, 3830, 6742, 7660, 13484, 15320, 16855, 26968, 33710, 67420, 134840, 1291093, 2582186, 5164372, 6455465, 10328744, 12910930, 25821860, 51643720]

約数ペア:

[(1, 51643720), (2, 25821860), (4, 12910930), (5, 10328744), (8, 6455465), (10, 5164372), (20, 2582186), (40, 1291093), (383, 134840), (766, 67420), (1532, 33710), (1915, 26968), (3064, 16855), (3371, 15320), (3830, 13484), (6742, 7660)]