39188840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{16061}}^1$

素因数の和:16133

約数の個数: 32

約数和(自身を含む): 89625960

約数和(自身を除く): 50437120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 16061, 32122, 64244, 80305, 128488, 160610, 321220, 642440, 979721, 1959442, 3918884, 4898605, 7837768, 9797210, 19594420, 39188840]

約数ペア:

[(1, 39188840), (2, 19594420), (4, 9797210), (5, 7837768), (8, 4898605), (10, 3918884), (20, 1959442), (40, 979721), (61, 642440), (122, 321220), (244, 160610), (305, 128488), (488, 80305), (610, 64244), (1220, 32122), (2440, 16061)]