520001088800

素因数分解:

$2^5\times 5^2\times {\mathrm{650001361}}^1$

素因数の和:650001381

約数の個数: 36

約数和(自身を含む): 1269452659986

約数和(自身を除く): 749451571186

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 650001361, 1300002722, 2600005444, 3250006805, 5200010888, 6500013610, 10400021776, 13000027220, 16250034025, 20800043552, 26000054440, 32500068050, 52000108880, 65000136100, 104000217760, 130000272200, 260000544400, 520001088800]

約数ペア:

[(1, 520001088800), (2, 260000544400), (4, 130000272200), (5, 104000217760), (8, 65000136100), (10, 52000108880), (16, 32500068050), (20, 26000054440), (25, 20800043552), (32, 16250034025), (40, 13000027220), (50, 10400021776), (80, 6500013610), (100, 5200010888), (160, 3250006805), (200, 2600005444), (400, 1300002722), (800, 650001361)]