7135600520

素因数分解:

$2^3\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{89329}}^1$

素因数の和:91337

約数の個数: 32

約数和(自身を含む): 16063320600

約数和(自身を除く): 8927720080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1997, 3994, 7988, 9985, 15976, 19970, 39940, 79880, 89329, 178658, 357316, 446645, 714632, 893290, 1786580, 3573160, 178390013, 356780026, 713560052, 891950065, 1427120104, 1783900130, 3567800260, 7135600520]

約数ペア:

[(1, 7135600520), (2, 3567800260), (4, 1783900130), (5, 1427120104), (8, 891950065), (10, 713560052), (20, 356780026), (40, 178390013), (1997, 3573160), (3994, 1786580), (7988, 893290), (9985, 714632), (15976, 446645), (19970, 357316), (39940, 178658), (79880, 89329)]