38688400

素因数分解:

$2^4\times 5^2\times {\mathrm{311}}^2$

素因数の和:640

約数の個数: 45

約数和(自身を含む): 93248713

約数和(自身を除く): 54560313

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 311, 400, 622, 1244, 1555, 2488, 3110, 4976, 6220, 7775, 12440, 15550, 24880, 31100, 62200, 96721, 124400, 193442, 386884, 483605, 773768, 967210, 1547536, 1934420, 2418025, 3868840, 4836050, 7737680, 9672100, 19344200, 38688400]

約数ペア:

[(1, 38688400), (2, 19344200), (4, 9672100), (5, 7737680), (8, 4836050), (10, 3868840), (16, 2418025), (20, 1934420), (25, 1547536), (40, 967210), (50, 773768), (80, 483605), (100, 386884), (200, 193442), (311, 124400), (400, 96721), (622, 62200), (1244, 31100), (1555, 24880), (2488, 15550), (3110, 12440), (4976, 7775)]