210529540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{809729}}^1$

素因数の和:809751

約数の個数: 24

約数和(自身を含む): 476121240

約数和(自身を除く): 265591700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 809729, 1619458, 3238916, 4048645, 8097290, 10526477, 16194580, 21052954, 42105908, 52632385, 105264770, 210529540]

約数ペア:

[(1, 210529540), (2, 105264770), (4, 52632385), (5, 42105908), (10, 21052954), (13, 16194580), (20, 10526477), (26, 8097290), (52, 4048645), (65, 3238916), (130, 1619458), (260, 809729)]