78844240

素因数分解:

$2^4\times 5^1\times {\mathrm{317}}^1\times {\mathrm{3109}}^1$

素因数の和:3439

約数の個数: 40

約数和(自身を含む): 183950280

約数和(自身を除く): 105106040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317, 634, 1268, 1585, 2536, 3109, 3170, 5072, 6218, 6340, 12436, 12680, 15545, 24872, 25360, 31090, 49744, 62180, 124360, 248720, 985553, 1971106, 3942212, 4927765, 7884424, 9855530, 15768848, 19711060, 39422120, 78844240]

約数ペア:

[(1, 78844240), (2, 39422120), (4, 19711060), (5, 15768848), (8, 9855530), (10, 7884424), (16, 4927765), (20, 3942212), (40, 1971106), (80, 985553), (317, 248720), (634, 124360), (1268, 62180), (1585, 49744), (2536, 31090), (3109, 25360), (3170, 24872), (5072, 15545), (6218, 12680), (6340, 12436)]