51542720

素因数分解:

$2^6\times 5^1\times {\mathrm{161071}}^1$

素因数の和:161088

約数の個数: 28

約数和(自身を含む): 122736864

約数和(自身を除く): 71194144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 161071, 322142, 644284, 805355, 1288568, 1610710, 2577136, 3221420, 5154272, 6442840, 10308544, 12885680, 25771360, 51542720]

約数ペア:

[(1, 51542720), (2, 25771360), (4, 12885680), (5, 10308544), (8, 6442840), (10, 5154272), (16, 3221420), (20, 2577136), (32, 1610710), (40, 1288568), (64, 805355), (80, 644284), (160, 322142), (320, 161071)]