40638470

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1621}}^1$

素因数の和:1760

約数の個数: 32

約数和(自身を含む): 77077440

約数和(自身を除く): 36438970

約数列:

[1, 2, 5, 10, 23, 46, 109, 115, 218, 230, 545, 1090, 1621, 2507, 3242, 5014, 8105, 12535, 16210, 25070, 37283, 74566, 176689, 186415, 353378, 372830, 883445, 1766890, 4063847, 8127694, 20319235, 40638470]

約数ペア:

[(1, 40638470), (2, 20319235), (5, 8127694), (10, 4063847), (23, 1766890), (46, 883445), (109, 372830), (115, 353378), (218, 186415), (230, 176689), (545, 74566), (1090, 37283), (1621, 25070), (2507, 16210), (3242, 12535), (5014, 8105)]