5577220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 12954816

約数和(自身を除く): 7377596

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 251, 404, 502, 505, 1004, 1010, 1111, 1255, 2020, 2222, 2510, 2761, 4444, 5020, 5522, 5555, 11044, 11110, 13805, 22220, 25351, 27610, 50702, 55220, 101404, 126755, 253510, 278861, 507020, 557722, 1115444, 1394305, 2788610, 5577220]

約数ペア:

[(1, 5577220), (2, 2788610), (4, 1394305), (5, 1115444), (10, 557722), (11, 507020), (20, 278861), (22, 253510), (44, 126755), (55, 101404), (101, 55220), (110, 50702), (202, 27610), (220, 25351), (251, 22220), (404, 13805), (502, 11110), (505, 11044), (1004, 5555), (1010, 5522), (1111, 5020), (1255, 4444), (2020, 2761), (2222, 2510)]