161836540

素因数分解:

$2^2\times 5^1\times {\mathrm{2399}}^1\times {\mathrm{3373}}^1$

素因数の和:5781

約数の個数: 24

約数和(自身を含む): 340099200

約数和(自身を除く): 178262660

約数列:

[1, 2, 4, 5, 10, 20, 2399, 3373, 4798, 6746, 9596, 11995, 13492, 16865, 23990, 33730, 47980, 67460, 8091827, 16183654, 32367308, 40459135, 80918270, 161836540]

約数ペア:

[(1, 161836540), (2, 80918270), (4, 40459135), (5, 32367308), (10, 16183654), (20, 8091827), (2399, 67460), (3373, 47980), (4798, 33730), (6746, 23990), (9596, 16865), (11995, 13492)]