51000240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{212501}}^1$

素因数の和:212517

約数の個数: 40

約数和(自身を含む): 158101488

約数和(自身を除く): 107101248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 212501, 425002, 637503, 850004, 1062505, 1275006, 1700008, 2125010, 2550012, 3187515, 3400016, 4250020, 5100024, 6375030, 8500040, 10200048, 12750060, 17000080, 25500120, 51000240]

約数ペア:

[(1, 51000240), (2, 25500120), (3, 17000080), (4, 12750060), (5, 10200048), (6, 8500040), (8, 6375030), (10, 5100024), (12, 4250020), (15, 3400016), (16, 3187515), (20, 2550012), (24, 2125010), (30, 1700008), (40, 1275006), (48, 1062505), (60, 850004), (80, 637503), (120, 425002), (240, 212501)]