4218820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2971}}^1$

素因数の和:3051

約数の個数: 24

約数和(自身を含む): 8987328

約数和(自身を除く): 4768508

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 2971, 5942, 11884, 14855, 29710, 59420, 210941, 421882, 843764, 1054705, 2109410, 4218820]

約数ペア:

[(1, 4218820), (2, 2109410), (4, 1054705), (5, 843764), (10, 421882), (20, 210941), (71, 59420), (142, 29710), (284, 14855), (355, 11884), (710, 5942), (1420, 2971)]