52006640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13267}}^1$

素因数の和:13294

約数の個数: 60

約数和(自身を含む): 140667336

約数和(自身を除く): 88660696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 13267, 26534, 53068, 66335, 92869, 106136, 132670, 185738, 212272, 265340, 371476, 464345, 530680, 650083, 742952, 928690, 1061360, 1300166, 1485904, 1857380, 2600332, 3250415, 3714760, 5200664, 6500830, 7429520, 10401328, 13001660, 26003320, 52006640]

約数ペア:

[(1, 52006640), (2, 26003320), (4, 13001660), (5, 10401328), (7, 7429520), (8, 6500830), (10, 5200664), (14, 3714760), (16, 3250415), (20, 2600332), (28, 1857380), (35, 1485904), (40, 1300166), (49, 1061360), (56, 928690), (70, 742952), (80, 650083), (98, 530680), (112, 464345), (140, 371476), (196, 265340), (245, 212272), (280, 185738), (392, 132670), (490, 106136), (560, 92869), (784, 66335), (980, 53068), (1960, 26534), (3920, 13267)]