61901440

素因数分解:

$2^7\times 5^1\times {\mathrm{311}}^2$

素因数の和:641

約数の個数: 48

約数和(自身を含む): 148460490

約数和(自身を除く): 86559050

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 311, 320, 622, 640, 1244, 1555, 2488, 3110, 4976, 6220, 9952, 12440, 19904, 24880, 39808, 49760, 96721, 99520, 193442, 199040, 386884, 483605, 773768, 967210, 1547536, 1934420, 3095072, 3868840, 6190144, 7737680, 12380288, 15475360, 30950720, 61901440]

約数ペア:

[(1, 61901440), (2, 30950720), (4, 15475360), (5, 12380288), (8, 7737680), (10, 6190144), (16, 3868840), (20, 3095072), (32, 1934420), (40, 1547536), (64, 967210), (80, 773768), (128, 483605), (160, 386884), (311, 199040), (320, 193442), (622, 99520), (640, 96721), (1244, 49760), (1555, 39808), (2488, 24880), (3110, 19904), (4976, 12440), (6220, 9952)]