28281640

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{6257}}^1$

素因数の和:6381

約数の個数: 32

約数和(自身を含む): 64207080

約数和(自身を除く): 35925440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 6257, 12514, 25028, 31285, 50056, 62570, 125140, 250280, 707041, 1414082, 2828164, 3535205, 5656328, 7070410, 14140820, 28281640]

約数ペア:

[(1, 28281640), (2, 14140820), (4, 7070410), (5, 5656328), (8, 3535205), (10, 2828164), (20, 1414082), (40, 707041), (113, 250280), (226, 125140), (452, 62570), (565, 50056), (904, 31285), (1130, 25028), (2260, 12514), (4520, 6257)]