201246140

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{15649}}^1$

素因数の和:16301

約数の個数: 24

約数和(自身を含む): 423301200

約数和(自身を除く): 222055060

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 6430, 12860, 15649, 31298, 62596, 78245, 156490, 312980, 10062307, 20124614, 40249228, 50311535, 100623070, 201246140]

約数ペア:

[(1, 201246140), (2, 100623070), (4, 50311535), (5, 40249228), (10, 20124614), (20, 10062307), (643, 312980), (1286, 156490), (2572, 78245), (3215, 62596), (6430, 31298), (12860, 15649)]