2001667600

素因数分解:

$2^4\times 5^2\times {\mathrm{2237}}^2$

素因数の和:4492

約数の個数: 45

約数和(自身を含む): 4811157127

約数和(自身を除く): 2809489527

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 2237, 4474, 8948, 11185, 17896, 22370, 35792, 44740, 55925, 89480, 111850, 178960, 223700, 447400, 894800, 5004169, 10008338, 20016676, 25020845, 40033352, 50041690, 80066704, 100083380, 125104225, 200166760, 250208450, 400333520, 500416900, 1000833800, 2001667600]

約数ペア:

[(1, 2001667600), (2, 1000833800), (4, 500416900), (5, 400333520), (8, 250208450), (10, 200166760), (16, 125104225), (20, 100083380), (25, 80066704), (40, 50041690), (50, 40033352), (80, 25020845), (100, 20016676), (200, 10008338), (400, 5004169), (2237, 894800), (4474, 447400), (8948, 223700), (11185, 178960), (17896, 111850), (22370, 89480), (35792, 55925)]