206070100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{50261}}^1$

素因数の和:50316

約数の個数: 36

約数和(自身を含む): 458087868

約数和(自身を除く): 252017768

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 50261, 100522, 201044, 251305, 502610, 1005220, 1256525, 2060701, 2513050, 4121402, 5026100, 8242804, 10303505, 20607010, 41214020, 51517525, 103035050, 206070100]

約数ペア:

[(1, 206070100), (2, 103035050), (4, 51517525), (5, 41214020), (10, 20607010), (20, 10303505), (25, 8242804), (41, 5026100), (50, 4121402), (82, 2513050), (100, 2060701), (164, 1256525), (205, 1005220), (410, 502610), (820, 251305), (1025, 201044), (2050, 100522), (4100, 50261)]