16521200

素因数分解:

$2^4\times 5^2\times {\mathrm{103}}^1\times {\mathrm{401}}^1$

素因数の和:522

約数の個数: 60

約数和(自身を含む): 40177488

約数和(自身を除く): 23656288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 103, 200, 206, 400, 401, 412, 515, 802, 824, 1030, 1604, 1648, 2005, 2060, 2575, 3208, 4010, 4120, 5150, 6416, 8020, 8240, 10025, 10300, 16040, 20050, 20600, 32080, 40100, 41200, 41303, 80200, 82606, 160400, 165212, 206515, 330424, 413030, 660848, 826060, 1032575, 1652120, 2065150, 3304240, 4130300, 8260600, 16521200]

約数ペア:

[(1, 16521200), (2, 8260600), (4, 4130300), (5, 3304240), (8, 2065150), (10, 1652120), (16, 1032575), (20, 826060), (25, 660848), (40, 413030), (50, 330424), (80, 206515), (100, 165212), (103, 160400), (200, 82606), (206, 80200), (400, 41303), (401, 41200), (412, 40100), (515, 32080), (802, 20600), (824, 20050), (1030, 16040), (1604, 10300), (1648, 10025), (2005, 8240), (2060, 8020), (2575, 6416), (3208, 5150), (4010, 4120)]