51940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{53}}^1$

素因数の和:76

約数の個数: 36

約数和(自身を含む): 129276

約数和(自身を除く): 77336

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 196, 212, 245, 265, 371, 490, 530, 742, 980, 1060, 1484, 1855, 2597, 3710, 5194, 7420, 10388, 12985, 25970, 51940]

約数ペア:

[(1, 51940), (2, 25970), (4, 12985), (5, 10388), (7, 7420), (10, 5194), (14, 3710), (20, 2597), (28, 1855), (35, 1484), (49, 1060), (53, 980), (70, 742), (98, 530), (106, 490), (140, 371), (196, 265), (212, 245)]