20676802000

素因数分解:

$2^4\times 5^3\times {\mathrm{10338401}}^1$

素因数の和:10338424

約数の個数: 40

約数和(自身を含む): 49996512072

約数和(自身を除く): 29319710072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 10338401, 20676802, 41353604, 51692005, 82707208, 103384010, 165414416, 206768020, 258460025, 413536040, 516920050, 827072080, 1033840100, 1292300125, 2067680200, 2584600250, 4135360400, 5169200500, 10338401000, 20676802000]

約数ペア:

[(1, 20676802000), (2, 10338401000), (4, 5169200500), (5, 4135360400), (8, 2584600250), (10, 2067680200), (16, 1292300125), (20, 1033840100), (25, 827072080), (40, 516920050), (50, 413536040), (80, 258460025), (100, 206768020), (125, 165414416), (200, 103384010), (250, 82707208), (400, 51692005), (500, 41353604), (1000, 20676802), (2000, 10338401)]