80337520

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{3229}}^1$

素因数の和:3553

約数の個数: 40

約数和(自身を含む): 187443360

約数和(自身を除く): 107105840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 1244, 1555, 2488, 3110, 3229, 4976, 6220, 6458, 12440, 12916, 16145, 24880, 25832, 32290, 51664, 64580, 129160, 258320, 1004219, 2008438, 4016876, 5021095, 8033752, 10042190, 16067504, 20084380, 40168760, 80337520]

約数ペア:

[(1, 80337520), (2, 40168760), (4, 20084380), (5, 16067504), (8, 10042190), (10, 8033752), (16, 5021095), (20, 4016876), (40, 2008438), (80, 1004219), (311, 258320), (622, 129160), (1244, 64580), (1555, 51664), (2488, 32290), (3110, 25832), (3229, 24880), (4976, 16145), (6220, 12916), (6458, 12440)]