72226640

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2903}}^1$

素因数の和:3227

約数の個数: 40

約数和(自身を含む): 168524928

約数和(自身を除く): 96298288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 1244, 1555, 2488, 2903, 3110, 4976, 5806, 6220, 11612, 12440, 14515, 23224, 24880, 29030, 46448, 58060, 116120, 232240, 902833, 1805666, 3611332, 4514165, 7222664, 9028330, 14445328, 18056660, 36113320, 72226640]

約数ペア:

[(1, 72226640), (2, 36113320), (4, 18056660), (5, 14445328), (8, 9028330), (10, 7222664), (16, 4514165), (20, 3611332), (40, 1805666), (80, 902833), (311, 232240), (622, 116120), (1244, 58060), (1555, 46448), (2488, 29030), (2903, 24880), (3110, 23224), (4976, 14515), (5806, 12440), (6220, 11612)]