520001200

素因数分解:

$2^4\times 5^2\times {\mathrm{197}}^1\times {\mathrm{6599}}^1$

素因数の和:6814

約数の個数: 60

約数和(自身を含む): 1255834800

約数和(自身を除く): 735833600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 197, 200, 394, 400, 788, 985, 1576, 1970, 3152, 3940, 4925, 6599, 7880, 9850, 13198, 15760, 19700, 26396, 32995, 39400, 52792, 65990, 78800, 105584, 131980, 164975, 263960, 329950, 527920, 659900, 1300003, 1319800, 2600006, 2639600, 5200012, 6500015, 10400024, 13000030, 20800048, 26000060, 32500075, 52000120, 65000150, 104000240, 130000300, 260000600, 520001200]

約数ペア:

[(1, 520001200), (2, 260000600), (4, 130000300), (5, 104000240), (8, 65000150), (10, 52000120), (16, 32500075), (20, 26000060), (25, 20800048), (40, 13000030), (50, 10400024), (80, 6500015), (100, 5200012), (197, 2639600), (200, 2600006), (394, 1319800), (400, 1300003), (788, 659900), (985, 527920), (1576, 329950), (1970, 263960), (3152, 164975), (3940, 131980), (4925, 105584), (6599, 78800), (7880, 65990), (9850, 52792), (13198, 39400), (15760, 32995), (19700, 26396)]