11720570

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:550

約数の個数: 32

約数和(自身を含む): 22239360

約数和(自身を除く): 10518790

約数列:

[1, 2, 5, 10, 23, 46, 115, 131, 230, 262, 389, 655, 778, 1310, 1945, 3013, 3890, 6026, 8947, 15065, 17894, 30130, 44735, 50959, 89470, 101918, 254795, 509590, 1172057, 2344114, 5860285, 11720570]

約数ペア:

[(1, 11720570), (2, 5860285), (5, 2344114), (10, 1172057), (23, 509590), (46, 254795), (115, 101918), (131, 89470), (230, 50959), (262, 44735), (389, 30130), (655, 17894), (778, 15065), (1310, 8947), (1945, 6026), (3013, 3890)]