4247420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4007}}^1$

素因数の和:4069

約数の個数: 24

約数和(自身を含む): 9090144

約数和(自身を除く): 4842724

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 4007, 8014, 16028, 20035, 40070, 80140, 212371, 424742, 849484, 1061855, 2123710, 4247420]

約数ペア:

[(1, 4247420), (2, 2123710), (4, 1061855), (5, 849484), (10, 424742), (20, 212371), (53, 80140), (106, 40070), (212, 20035), (265, 16028), (530, 8014), (1060, 4007)]