51549640

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{15527}}^1$

素因数の和:15621

約数の個数: 32

約数和(自身を含む): 117391680

約数和(自身を除く): 65842040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 15527, 31054, 62108, 77635, 124216, 155270, 310540, 621080, 1288741, 2577482, 5154964, 6443705, 10309928, 12887410, 25774820, 51549640]

約数ペア:

[(1, 51549640), (2, 25774820), (4, 12887410), (5, 10309928), (8, 6443705), (10, 5154964), (20, 2577482), (40, 1288741), (83, 621080), (166, 310540), (332, 155270), (415, 124216), (664, 77635), (830, 62108), (1660, 31054), (3320, 15527)]