201492040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{122861}}^1$

素因数の和:122913

約数の個数: 32

約数和(自身を含む): 464418360

約数和(自身を除く): 262926320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 122861, 245722, 491444, 614305, 982888, 1228610, 2457220, 4914440, 5037301, 10074602, 20149204, 25186505, 40298408, 50373010, 100746020, 201492040]

約数ペア:

[(1, 201492040), (2, 100746020), (4, 50373010), (5, 40298408), (8, 25186505), (10, 20149204), (20, 10074602), (40, 5037301), (41, 4914440), (82, 2457220), (164, 1228610), (205, 982888), (328, 614305), (410, 491444), (820, 245722), (1640, 122861)]