258515540

素因数分解:

$2^2\times 5^1\times {\mathrm{1801}}^1\times {\mathrm{7177}}^1$

素因数の和:8987

約数の個数: 24

約数和(自身を含む): 543259752

約数和(自身を除く): 284744212

約数列:

[1, 2, 4, 5, 10, 20, 1801, 3602, 7177, 7204, 9005, 14354, 18010, 28708, 35885, 36020, 71770, 143540, 12925777, 25851554, 51703108, 64628885, 129257770, 258515540]

約数ペア:

[(1, 258515540), (2, 129257770), (4, 64628885), (5, 51703108), (10, 25851554), (20, 12925777), (1801, 143540), (3602, 71770), (7177, 36020), (7204, 35885), (9005, 28708), (14354, 18010)]