5161820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4231}}^1$

素因数の和:4301

約数の個数: 24

約数和(自身を含む): 11020128

約数和(自身を除く): 5858308

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 4231, 8462, 16924, 21155, 42310, 84620, 258091, 516182, 1032364, 1290455, 2580910, 5161820]

約数ペア:

[(1, 5161820), (2, 2580910), (4, 1290455), (5, 1032364), (10, 516182), (20, 258091), (61, 84620), (122, 42310), (244, 21155), (305, 16924), (610, 8462), (1220, 4231)]